CVE-2026-13722

HighCVSS 7.2/10Last modified Oct 25, 2026

Description

WatchGuard Fireware OS contains a firmware validation bypass when processing a backup image via the backup/restore feature. An authenticated administrator can exploit this vulnerability to install a tampered firmware image.

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-347

Affected software

Vendor	Product	Versions
WatchGuard	Fireware OS	>= 2025.1, < 2026.2.1; >= 12.0, < 12.12.1; >= 11.0, <= 11.12.4+541730
WatchGuard	Fireware OS	>= 12.0, < 12.11.9
WatchGuard	Fireware OS	>= 12.0, < *

References

https://psirt.watchguard.com/CVE-2026-13722Broken Link
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00022Vendor Advisory

Timeline

Published: Jul 3, 2026
Last modified: Oct 25, 2026
NVD status: Analyzed

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