#VU123434 Improper validation of integrity check value in Fireware OS - CVE-2026-3344

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Main Vulnerability Database Vulnerabilities #VU123434

#VU123434 Improper validation of integrity check value in Fireware OS - CVE-2026-3344

Published: March 3, 2026


Vulnerability identifier: #VU123434
Vulnerability risk: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-3344
CWE-ID: CWE-354
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Fireware OS
Software vendor:
WatchGuard

Description

The vulnerability allows a remote user to bypass implemented security restrictions.

The vulnerability exists due to improper validation of integrity checks. A remote privileged user can maintain limited persistence via a maliciously-crafted firmware update package.


Remediation

Install updates from vendor's website.

External links