CERT Polska has found 6 vulnerabilities (from CVE-2026-67276 to CVE-2026-67279, CVE-2026-67281 and CVE-2026-86060) in Mikrotik RouterOS software.
CVE-2026-67276 CVE-2026-67279 CVE-2026-67281 CVE-2026-86060 Mikrotik PL
Summary RouterOS provides various services that rely on correct verification of client and server certificates to secure confidentiality and integrity of communications. This includes OpenVPN, CAPsMAN, Dot1x (802.1X), among others. The vulnerability lies in shared certificate validation logic which uses the system certificate store that is shared and equally trusted by all system services. This causes confusion of scope, allowing any certificate authority present in the system-wide trust store…
EPSS 0.00 CVSS 6.5 CVE-2025-42611 Mikrotik SI