CVE-2026-3344

Medium

Open

TLP:CLEAR

WatchGuard Firebox System Integrity Check Bypass

NVD CVE.org

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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.

Details

CVSS Score: 6.9
EPSS Score ⓘ: 0.26%

17.4th percentile
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
Confidence: 90%
Published: Mar 3, 2026
Last Modified: Aug 10, 2026

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