CVE-2026-13722

HIGH

WatchGuard Firebox Firmware Image Validation Bypass in WatchGuard Fireware OS

Title source: cna
STIX 2.1

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.This vulnerability affects Fireware OS 11.0 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2025.6.2.

References (1)

Core 1
Core References

Scores

CVSS v4 8.6
EPSS 0.0023
EPSS Percentile 14.2%
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-347
Status published
Products (4)
WatchGuard/Fireware OS 11.0 - 11.12.4+541730
WatchGuard/Fireware OS 12.0 - 12.12
WatchGuard/Fireware OS 12.5 - 12.5.18
WatchGuard/Fireware OS 2025.1 - 2026.2
Published Jul 03, 2026
Tracked Since Jul 03, 2026