CVE-2026-13722
WatchGuard Firebox Firmware Image Validation Bypass in WatchGuard Fireware OS
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-347 |
| Vendor | watchguard |
| Product | fireware os |
| Published | Jul 2, 2026 |
Stay Ahead of the Next One
Get instant alerts for watchguard fireware os
Be the first to know when new unknown vulnerabilities affecting watchguard fireware os are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
WatchGuard / Fireware OS
11.0 ≤ 11.12.4+541730 12.0 ≤ 12.12 12.5 ≤ 12.5.18 2025.1 ≤ 2026.2