Security Advisory Detail

WatchGuard Firebox System Integrity Check Bypass

Advisory ID
WGSA-2026-00005
CVE
CVE-2026-3344
Impact
Medium
Status
Resolved
Product Family
Firebox
Published Date
Updated Date
Workaround Available
False
CVSS Score
6.9
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Summary

A vulnerability in WatchGuard Fireware OS may allow an attacker to bypass the Fireware OS filesystem integrity check and maintain limited persistence via a maliciously-crafted firmware update package.

Affected

This vulnerability affects Fireware OS 12.0 up to and including 12.11.7, 12.5.9 up to and including 12.5.16, and 2025.1 up to and including 2026.1.1.

Resolution
Vulnerable Version Resolved Version
2025.1 2026.1.2
12.x 12.11.8
12.5.x (T15 & T35 models) 12.5.17
Advisory Product List
Product Family Product Branch Product List
Firebox
Fireware OS 12.5.x T15, T35
Firebox
Fireware OS 2025.1.x T115-W, T125, T125-W, T145, T145-W, T185, M295, M395, M495, M595, M695
Firebox
Fireware OS 12.x T20, T25, T40, T45, T55, T70, T80, T85, M270, M290, M370, M390, M470, M570, M590, M670, M690, M440, M4600, M4800, M5600, M5800, Firebox Cloud, Firebox NV5, FireboxV