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ZDI-26-471: (Pwn2Own) Sony XAV-9500ES prh_l2_decode_packet Out-Of-Bounds Read Information Disclosure Vulnerability

This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Sony XAV-9500ES devices. An attacker must first obtain the ability to pair a malicious Bluetooth device with the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 3.5. The following CVEs are assigned: CVE-2026-18278.

EPSS 0.00 CVSS 3.5 CVE-2026-18278 Sony US

· Zero Day Initiative · ZDI-26-471: (Pwn2Own) Sony XAV-9500ES prh_l2_decode_packet Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI-26-472: (Pwn2Own) Sony XAV-9500ES RTSP SETUP Buffer Overflow Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sony XAV-9500ES devices. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2026-18279.

EPSS 0.01 CVSS 8.8 CVE-2026-18279 Sony US

· Zero Day Initiative · ZDI-26-472: (Pwn2Own) Sony XAV-9500ES RTSP SETUP Buffer Overflow Remote Code Execution Vulnerability

ZDI-26-473: (Pwn2Own) Sony XAV-9500ES gpsd Buffer Overflow Arbitrary Code Execution Vulnerability

This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Sony XAV-9500ES devices. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 3.9. The following CVEs are assigned: CVE-2026-18280.

EPSS 0.00 CVSS 3.9 CVE-2026-18280 Sony US

· Zero Day Initiative · ZDI-26-473: (Pwn2Own) Sony XAV-9500ES gpsd Buffer Overflow Arbitrary Code Execution Vulnerability

ZDI-26-474: (Pwn2Own) Sony XAV-9500ES l2_reassemble_sdu Heap-based Buffer Overflow Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sony XAV-9500ES devices. An attacker must first obtain the ability to pair a malicious Bluetooth device with the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.0. The following CVEs are assigned: CVE-2026-18281.

EPSS 0.00 CVSS 8.0 CVE-2026-18281 Sony US

· Zero Day Initiative · ZDI-26-474: (Pwn2Own) Sony XAV-9500ES l2_reassemble_sdu Heap-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-26-475: (Pwn2Own) Sony XAV-9500ES AVRCP_Br_Response_Parser Heap-based Buffer Overflow Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sony XAV-9500ES devices. An attacker must first obtain the ability to pair a malicious Bluetooth device with the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.0. The following CVEs are assigned: CVE-2026-18282.

EPSS 0.00 CVSS 8.0 CVE-2026-18282 Sony US

· Zero Day Initiative · ZDI-26-475: (Pwn2Own) Sony XAV-9500ES AVRCP_Br_Response_Parser Heap-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-26-476: (Pwn2Own) Sony XAV-9500ES udev USB Rules Authorization Bypass Vulnerability

This vulnerability allows physically present attackers to bypass authorization on affected installations on Sony XAV-9500ES devices. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 2.4. The following CVEs are assigned: CVE-2026-18283.

EPSS 0.00 CVSS 2.4 CVE-2026-18283 Sony US

· Zero Day Initiative · ZDI-26-476: (Pwn2Own) Sony XAV-9500ES udev USB Rules Authorization Bypass Vulnerability

ZDI-26-477: (Pwn2Own) Sony XAV-9500ES Crash Dump Handler Command Injection Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Sony XAV-9500ES 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-2026-18284.

EPSS 0.01 CVSS 7.8 CVE-2026-18284 Sony US

· Zero Day Initiative · ZDI-26-477: (Pwn2Own) Sony XAV-9500ES Crash Dump Handler Command Injection Local Privilege Escalation Vulnerability