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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| WatchGuard | Fireware OS | 2025.1 – < 2026.2.1, 12.0 – < 12.12.1, 11.0 – ≤ 11.12.4+541730, 12.0 – < 12.11.9, 12.0 | 2026.2.1 |
Advisories 1
- WID-SEC-2026-2193 WatchGuard Firebox: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 2, 2026
References
- https://psirt.watchguard.com/CVE-2026-13722 vendor-advisory
- https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00022 vendor-advisory