CVE intelligence

CVE-2026-67278

MikroTik RouterOS accepts malformed RSA/PKCS#1 v1.5 signatures across RSA-based services, including TLS/X.509 certificate validation and SSH

Published 2026-09-05 · CVSS

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

AVAttack Vector: Network
ACAttack Complexity: Low
ATAttack Requirements: Present
PRPrivileges Required: None
UIUser Interaction: None
VCVulnerable System Confidentiality: Low
VIVulnerable System Integrity: Low
VAVulnerable System Availability: None
SCSubsequent System Confidentiality: None
SISubsequent System Integrity: None
SASubsequent System Availability: None

medium