CVE-2026-3344

MEDIUM

WatchGuard Firebox System Integrity Check Bypass

Title source: CVE List
STIX 2.1 vulnerability

Record summary

CVE-2026-3344 has a selected CVSS score of 6.9 (medium).

Description

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.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationNone
AutomatableNo
Technical impactPartial

CISA Coordinator · SSVC 2.0.3 · Evaluated Mar 3, 2026 · Source: CVE List

Affected products and versions

1
ProductSourceVersion range

Fireware OS

Browse WatchGuard / Fireware OS

Default status: unaffected

CVE List2025.1 to < 2026.1.2affected
12.0 to < 12.11.8affected
12.0 to < 12.5.17affected

References

4