CVE-2026-13722

WatchGuard Firebox Firmware Image Validation Bypass in WatchGuard Fireware OS

Published: Jul 2, 2026Updated: Aug 28, 2026 Sources: CVE List NVDCWE-347

7.2HIGH

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:HPrivileges Required

High

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-347

Affected Products

WatchGuard

commercial·US

fireware

Networking Infrastructure

Fireware OS

Networking Infrastructure

Exploitability

0 exploit sources identified

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Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Collection

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References

https://psirt.watchguard.com/CVE-2026-13722

psirt.watchguard.com

https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00022

watchguard.com

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