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Release: WatchGuard Fireware OS, Fireware OS 12.11.9, 12.12, 2026.2 Clear all filters
TI-2026-03756 CVE-2026-4315 · GHSA-4qgx-7r85-6fpx

WatchGuard Firebox Cross-Site Request Forgery (CSRF) in Fireware Web UI

Priority LOW 30

A Cross-Site Request Forgery (CSRF) vulnerability in the WatchGuard Fireware OS WebUI could allow a remote attacker to trigger a denial-of-service (DoS) condition in the Fireware Web UI by convincing an authenticated adm…

CVSS 4.0HIGH 7.1 Network No auth User interaction EPSS 0.00168 Published 2026-03-30 Fixed in 2026.2, 12.12 +2 CWE-352
TI-2026-03711 CVE-2026-4266 · GHSA-mmhr-mfjp-vv8j

WatchGuard Firebox Insecure Deserialization in Fireware Access Portal

Priority LOW 38

An Insecure Deserialization vulnerability in WatchGuard Fireware OS allows an attacker that has obtained write access to the local filesystem through another vulnerability to execute arbitrary code in the context of the…

CVSS 4.0HIGH 8.4 Local High privileges No interaction EPSS 0.00275 Published 2026-03-30 Fixed in 2026.2, 12.12 +1 CWE-502