Detections
Analytics

CVE-2026-3344

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.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.

References

https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00005

Details

Source: Mitre, NVD

Published: 2026-03-03

Updated: 2026-03-04

Risk Information

CVSS v2

Base Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:M/C:N/I:C/A:N

Severity: Medium

CVSS v3

Base Score: 4.9

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

Severity: Medium

CVSS v4

Base Score: 6.9

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

Severity: Medium

EPSS

EPSS: 0.0004