CVE-2026-3344

MediumCVSS 4.9/10Last modified Aug 10, 2026

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.

Metrics

CVSS 3.1 4.9/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-440

Affected software

Vendor	Product	Versions
WatchGuard	Fireware OS	>= 2025.1, < 2026.1.2; >= 12.0, < 12.11.8
WatchGuard	Fireware OS	>= 12.0, < 12.5.17

References

Timeline

Published: Mar 3, 2026
Last modified: Aug 10, 2026
NVD status: Modified

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