Executive summary Note: This advisory relates to an active threat to Siemens S7 Series programmable logic controllers (PLCs). However, ongoing PLC targeting activity is broader than Siemens PLCs. All PLC owners and operators should apply relevant mitigations to reduce the risk to their devices and systems. The Siemens-specific content in this advisory should be understood and applied as one subset of the wider threat landscape. Top Mitigations Inventory all Siemens S7 Series programmable logic…
The FBI said Tuesday that the Medusa ransomware gang has breached more than 500 critical infrastructure organizations in the United States since June 2021. [...]
The Cybersecurity and Infrastructure Security Agency (CISA) and FBI updated an advisory on the group initially released in March 2025 — writing that as of April 2026, Medusa actors have hit more than 500 victims. CISA previously said 300 victims, many of which are in critical infrastructure sectors, were attacked as of 2025.
View CSAF Summary Simcenter Nastran is affected by a stack overflow vulnerability that could be triggered when an application binary reads arbitrary string as a file argument. If a user is tricked to run one of the impacted application binary with a malicious string, an attacker could leverage the vulnerability to perform remote code execution in the context of the current process. Siemens has released new versions for the affected products and recommends to update to the latest versions. The…
For the latest discoveries in cyber research for the week of 17th August, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES Colombia’s Ministry of Justice has experienced a ransomware attack that affected part of its technology infrastructure and disrupted public services related to illicit-drug monitoring and legal processes. Officials confirmed that some files were encrypted but stated that no data theft was detected during the incident. MyDr, Poland’s primary…
Tenable’s Research Special Operations (RSO) team has been tracking a cluster of agentic AI threat activity since late July 2026. The Taiwan autonomous AI cyber attack confirmed what the cluster data already showed: near-autonomous offensive AI has crossed from theoretical risk to operational reality.Key TakeawaysTaiwan's Ministry of Digital Affairs confirmed a near-autonomous AI cyber attack in July 2026 in which autonomous agents mapped 21 connected government systems, compromised 85 accounts,…
View CSAF Summary Hitachi Energy is aware of Dirty Frag vulnerabilities that affect APM Edge product versions listed in this document. Successful exploitation of these vulnerabilities could result in impact on confidentiality, integrity and availability of the product. Please refer to the Recommended Immediate Actions for information about the mitigation/remediation. The following versions of Hitachi Energy APM Edge Product are affected: APM Edge vers:APM_Edge/<=6.10 (CVE-2026-43284, CVE-2026…
View CSAF Summary Successful exploitation of this vulnerability may allow an attacker to inject and execute arbitrary OS commands with root privileges. The following versions of Haiwell IoT Cloud HMI Gateway are affected: Haiwell IoT Cloud HMI Gateway 3.40.1.12 (CVE-2026-19188) CVSS Vendor Equipment Vulnerabilities v3 10 Haiwell Haiwell IoT Cloud HMI Gateway Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') Background Critical Infrastructure Sectors:…
View CSAF Summary Successful exploitation of this vulnerability could allow an attacker to tamper with serialized data, potentially resulting in code execution during deserialization. The following versions of AVEVA Enterprise SCADA are affected: Enterprise SCADA 2025 (CVE-2025-7639) Enterprise SCADA >=2024|<=2024_SP1_P01 (CVE-2025-7639) Enterprise SCADA >=2023|<=2023_SP1 (CVE-2025-7639) Enterprise SCADA >=2022|<=2022_SP2_P2 (CVE-2025-7639) Enterprise SCADA <=2021_SP2_P5 (CVE-2025-7639)…
View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to read data from the device or gain access to affected workstations. The following versions of ANDRITZ HIPASE-250 and 250 SCALA are affected: HIPASE-250 <=7.20 (CVE-2026-65309, CVE-2026-65310, CVE-2026-65311, CVE-2026-65313) 250 SCALA <=7.20 (CVE-2026-65309, CVE-2026-65310, CVE-2026-65311, CVE-2026-65313) CVSS Vendor Equipment Vulnerabilities v3 8.1 ANDRITZ ANDRITZ HIPASE-250 and 250 SCALA Storing…
View CSAF Summary Successful exploitation of this vulnerability could allow a low-privilege user or attacker to inject a persistent malicious payload via a crafted URL that executes in the context of other users' sessions, including administrators, potentially leading to session hijacking and unauthorized access. The following versions of Johnson Controls Metasys are affected: Metasys 12 vers:all/* (CVE-2026-34491) Metasys 13 vers:all/* (CVE-2026-34491) Metasys 14 Metasys 15 CVSS Vendor…
View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to decrypt sensitive data, bypass authentication controls, gaining unauthorized access to read arbitrary files on the system, or gain unauthorized access to protected system resources. The following versions of Johnson Controls Inc. Airwall are affected: Airwall <=4.0.4 (CVE-2026-64887, CVE-2026-34492) CVSS Vendor Equipment Vulnerabilities v3 6.8 Johnson Controls Inc. Johnson Controls Inc. Airwall Use of…
View CSAF Summary A vulnerability in Desigo DXR and PXC controllers has been identified that could allow an attacker to cause denial of service conditions by sending malformed BACnet packets. Recovery requires a device reset or reboot to restore normal functionality. Siemens has released new versions for the affected products and recommends to update to the latest versions. The following versions of Siemens Desigo DXR and PXC Controllers are affected: Desigo DXR2 vers:intdot/<01.21.233.16-7862 …
Serial number: AV26-811Date: August 12, 2026 As of August 12, 2026, Phoenix Contact is affected by vulnerabilities in the following products: AXC F 1152 Prior to 2026.0.3 AXC F 1252 Prior to 2026.0.3 AXC F 2000 EA Prior to 2026.0.3 AXC F 2152 Prior to 2026.0.3 AXC F 3152 Prior to 2026.0.3 BPC 9102S Prior to 2026.0.3 BPC 9202S Prior to 2026.0.3 Catan C1 Prior to 2026.0.3 EPC 1502 Prior to 2026.0.3 EPC 1522 Prior to 2026.0.3 RFC 4072R Prior to 2026.0.3 RFC 4072S Prior to 2026.0.3 VL3 UPC 2440…
View CSAF Summary Fortinet has published information on vulnerabilities in FortiOS. This advisory lists the related Siemens Industrial products. Siemens recommends to contact customer support for additional information, and follow Fortinet advisory for workarounds and mitigation measures. The following versions of Siemens RUGGEDCOM APE1808 are affected: RUGGEDCOM APE1808 vers:all/* (CVE-2026-23573, CVE-2026-59839) CVSS Vendor Equipment Vulnerabilities v3 6.1 Siemens Siemens RUGGEDCOM APE1808…
Siemens ha rilasciato aggiornamenti di sicurezza per sanare molteplici vulnerabilità nei propri prodotti, di cui 1 con gravità “critica” e 13 con gravità “alta”. Tali vulnerabilità, qualora sfruttate, potrebbero consentire ad un utente malintenzionato di eseguire codice arbitrario e di leggere file arbitrari sul filesystem dei sistemi interessati.
Overview of the attack In July 2026, Kaspersky experts detected a new attack by the Head Mare group. Previously, we classified them as hacktivists, but now we define them as an APT group due to the sophistication of their TTPs and the absence of destructive activity (encryption, wiping) in the targeted infrastructures. In this latest campaign, the attackers exploited a chain of vulnerabilities in the TrueConf video conferencing server and replaced the original TrueConf client installers with…
In this article Pre-encryptionEncryptionPost-encryptionDefending against DeadLock ransomwareIndicators of compromise Microsoft Threat Intelligence tracks DeadLock ransomware as an emerging financially motivated operation distinguished by its use of decentralized infrastructure to support victim communications and data leak operations. Its recovery ecosystem combines the Session messaging network with blockchain-backed services that store and deliver resources used throughout the extortion…
Advisory at a Glance Title #StopRansomware: Gunra Ransomware Original Publication August 10, 2026 Executive Summary Gunra is a ransomware-as-a-service (RaaS) used by affiliates to target government, critical infrastructure, and other organizations. The Gunra ransomware variant first appeared in 2025 and expanded to RaaS operations in 2026. The actors leverage a double-extortion model, both encrypting data and threatening to publish exfiltrated data to a dedicated leak site (DLS) if the ransom…
During the attacks against Poland's energy sector in late 2025, a second combined heat and power plant was also affected. We are publishing a report detailing an investigation that lasted more than three months and led to the discovery of a previously unobserved attack vector involving a private APN.
View CSAF Summary Successful exploitation of this vulnerability could allow an attacker to access sensitive information on the device. The following versions of Johnson Controls Inc. TL280 are affected: TL280 <5.63 (CVE-2026-27871) CVSS Vendor Equipment Vulnerabilities v3 4.1 Johnson Controls Inc. Johnson Controls Inc. TL280 Use of a Broken or Risky Cryptographic Algorithm Background Critical Infrastructure Sectors: Critical Manufacturing, Commercial Facilities, Government Services and…
View CSAF Summary Successful exploitation of these vulnerabilities could allow attackers to bypass security, crash systems, execute unauthorized actions, or compromise data. The following versions of ABB Ability Zenon are affected: IIoT services with MongoDB (4.2) installed on ABB Ability Zenon vers:all/* CVSS Vendor Equipment Vulnerabilities v3 7.8 ABB ABB Ability Zenon Improper Handling of Length Parameter Inconsistency, Improper Neutralization of Null Byte or NUL Character, Collapse of Data…
Canada’s new Critical Cyber Systems Protection Act (Bill C-8) introduces a strict 72-hour cyber incident reporting mandate. Find out how Tenable is helping critical national infrastructure operators bridge the IT/OT divide to ensure full compliance.Key takeaways:Bill C-8 introduces stringent new cyber incident reporting requirements and heavy financial penalties for critical infrastructure operators. Eliminating network blind spots with a hybrid IT/OT discovery approach, including Safe Active…
Společnost Siemens vydala bezpečnostní aktualizace pro systém Desigo CC. Opravy řeší kritickou zranitelnost (CVSS 9.8), jejíž zneužití může umožnit vzdálené spuštění kódu nebo způsobit nedostupnost systému. Zranitelnost se týká organizací využívajících systém Siemens Desigo CC pro řízení budov (Building Management System - BMS). Provozovatelům se doporučuje co nejdříve nainstalovat dostupné bezpečnostní aktualizace a zajistit, aby systémy nebyly přímo dostupné z internetu, ale byly chráněny…
This vulnerability allows network-adjacent attackers to bypass firewall rules on affected installations of Phoenix Contact CHARX SEC-3150 devices. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 5.0. The following CVEs are assigned: CVE-2026-44092.
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Phoenix Contact CHARX SEC-3150 devices. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 5.3. The following CVEs are assigned: CVE-2026-44105.
This vulnerability allows local attackers to escalate privileges on affected installations of Phoenix Contact CHARX SEC-3150 devices. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-44096.
This vulnerability allows network-adjacent attackers to modify configuration on affected installations of Phoenix Contact CHARX SEC-3150 devices. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 5.0. The following CVEs are assigned: CVE-2026-44101.
This vulnerability allows network-adjacent attackers to bypass firmware validation on affected installations of Phoenix Contact CHARX SEC-3150 devices. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.5. The following CVEs are assigned: CVE-2026-44104.
This vulnerability allows network-adjacent attackers to create a denial-of-service condition on affected installations of Phoenix Contact CHARX SEC-3150 devices. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 6.5. The following CVEs are assigned: CVE-2026-44107.
This vulnerability allows network-adjacent attackers to upload arbitrary files on affected installations of Phoenix Contact CHARX SEC-3150 devices. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 2.4. The following CVEs are assigned: CVE-2026-44097.
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Phoenix Contact CHARX SEC-3150 devices. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.5. The following CVEs are assigned: CVE-2026-44094.
This vulnerability allows network-adjacent attackers to modify configuration on affected installations of Phoenix Contact CHARX SEC-3150 devices. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 4.2. The following CVEs are assigned: CVE-2026-44100.
This vulnerability allows network-adjacent attackers to create a denial-of-service condition on affected installations of Phoenix Contact CHARX SEC-3150 devices. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 6.5. The following CVEs are assigned: CVE-2026-44090.
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Phoenix Contact CHARX SEC-3150 devices. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The ZDI has assigned a CVSS rating of 6.8. The following CVEs are assigned: CVE-2026-44098.
For the latest discoveries in cyber research for the week of 27th July, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES Nichirei, a Japan-based frozen-food supplier and logistics company, has experienced a ransomware attack that disrupted shipping operations and affected approximately 5,000 customers. KFC Japan warned of possible shortages. Nichirei confirmed personal data theft, while the RansomHouse group claimed responsibility and published a subset of the stolen…
TrendAI™ Research breaks down what changed in CISA’s updated advisory on an ongoing PLC exploitation, why this activity might be more dangerous than a similar campaign in 2023, and how organizations can take action now to protect themselves.
A vulnerability in the CLI of Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, and Cisco Catalyst SD-WAN Validator, formerly SD-WAN vBond, could allow an authenticated, local attacker to execute arbitrary commands as root by supplying a crafted file to the affected system. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by uploading a crafted file to the…
A technical analysis of three chained zero-day vulnerabilities in Siemens ROX II OT switches that allow privilege escalation and persistent root access. The post Three Steps to the Terminal: A Siemens ROX II Zero-Day Trilogy appeared first on Unit 42.
For the latest discoveries in cyber research for the week of 6th July, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES River Bank & Trust, a US financial institution, has experienced a ransomware incident after an unauthorized actor accessed the network of parent company River Financial Corporation on June 16. The bank found ransomware on portions of its server environment and is assessing whether personal data was accessed or exfiltrated. Indra Group, a Spanish…
Bezpečnostní výzkumníci upozornili na rozsáhlou kampaň zaměřenou na firewally a VPN brány Fortinet, při níž mělo být kompromitováno téměř 74 000 zařízení ve 194 zemích. Útočníci podle zveřejněných informací automatizovaně vyhledávali veřejně dostupná administrační rozhraní, získávali konfigurace zařízení a následně offline prolamovali přístupové údaje. Mezi údajně zasaženými organizacemi jsou nadnárodní společnosti, státní instituce i provozovatelé kritické infrastruktury. Případ zároveň…
Summary A vulnerability has been identified in Trac d.o.o. Process Database Manager (PDBM). The application contains a hard‑coded cryptographic secret embedded directly within the executable binary. This secret is used by the product’s internal encryption and decryption routines, including the mechanism responsible for decrypting credentials stored in the application’s configuration file. An attacker with local high privileges on the host system may extract the hard‑coded secret from the…
Summary Missing authentication and clear‑text transmission of data from the heat pumps to the control server, combined with the absence of input validation on aggregated data, can lead to stored XSS that enables theft of cookies from the pump’s web control interface. Older Orca heat pump devices communicating with the Orca server over an unencrypted and unauthenticated HTTP connection on a non-secure port enable an attacker to impersonate a legitimate device and inject malicious payloads. This…
A Nemzetbiztonsági Szakszolgálat Nemzeti Kiberbiztonsági Intézet (NBSZ NKI) riasztást ad ki egy kritikus infrastruktúrákat célzó, jelenleg is aktív támadási kampány kapcsán. A rendelkezésre álló elemzés szerint a kampány során iráni kötődésű szereplők ipari vezérlőrendszerekhez, ezen belül Rockwell Automation / Allen-Bradley PLC-khez fértek hozzá, és azok manipulálásával működési zavarokat idéztek elő. A támadások sajátossága, hogy nem […]
JPCERT/CC held the ICS Security Conference 2026 on February 10, 2026. This conference aims to share the current threat landscape surrounding Industrial Control System (ICS) in Japan and abroad, as well as initiatives undertaken by stakeholders in ICS security. It also seeks to help participants strengthen their security measures and establish best practices. Since its launch in 2009, the conference has been held annually, and this year marked the 18th conference. This year’s conference was held…
TrendAI reviews the White House National Cyber Strategy, outlining six pillars to strengthen U.S. cybersecurity—from deterrence and regulation to federal modernization, critical infrastructure protection, AI leadership, and workforce development.