CVE-2026-3344

MEDIUM

4.9

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.This issue 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.

CVE Details

CVSS v3.1 Score4.9

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredHIGH

User InteractionNONE

Published3/3/2026

Last Modified3/4/2026

Sourcenvd

Honeypot Sightings0

Affected Products

watchguard:firebox_m270watchguard:firebox_m290watchguard:firebox_m295watchguard:firebox_m370watchguard:firebox_m390watchguard:firebox_m395watchguard:firebox_m440watchguard:firebox_m4600watchguard:firebox_m470watchguard:firebox_m4800watchguard:firebox_m495watchguard:firebox_m5600watchguard:firebox_m570watchguard:firebox_m5800watchguard:firebox_m590watchguard:firebox_m595watchguard:firebox_m670watchguard:firebox_m690watchguard:firebox_m695watchguard:firebox_nv5watchguard:firebox_t115-wwatchguard:firebox_t125watchguard:firebox_t125-wwatchguard:firebox_t145watchguard:firebox_t145-wwatchguard:firebox_t15watchguard:firebox_t185watchguard:firebox_t20watchguard:firebox_t25watchguard:firebox_t35watchguard:firebox_t40watchguard:firebox_t45watchguard:firebox_t55watchguard:firebox_t70watchguard:firebox_t80watchguard:firebox_t85watchguard:fireboxcloudwatchguard:fireboxvwatchguard:fireware

Weaknesses (CWE)

CWE-440

References

https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00005(5d1c2695-1a31-4499-88ae-e847036fd7e3)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.