A vulnerability was found in WatchGuard Fireware OS up to 11.12.4+541730/12.5.18/12.12/2026.2. It has been classified as critical. The impacted element is an unknown function of the component Firmware Image Handler. The manipulation leads to improper verification of cryptographic signature.
| Vendor | Product | Versions |
|---|---|---|
| watchguard | fireware os | 11.0, 12.0, 12.5, 2025.1, 11.12.4+541730, 12.5.18, 12.12, 2026.2 |
Downstream vendors/products affected by this vulnerability
| Vendor | Product | Source | Confidence |
|---|---|---|---|
| watchguard | firebox | cert_advisory | 90% |
Updated severity to CRITICAL, added new affected versions, and corrected exploit availability status.
Initial creation
