Firebox / Fireware OS 12 vulnerabilities
2 advisories affect WatchGuard Firebox / Fireware OS 12, 2 already exploited by attackers. Latest: December 19, 2025.
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| Vulnerability | Severity | Affected versions |
|---|---|---|
| WatchGuard Firebox Out of Bounds Write Vulnerability CVE-2025-14733 · December 19, 2025 | Critical 9.8 Exploited | from 12.0 to 12.11.6 (excluded); from 12.0 to 12.3.1+728352 (excluded); from 12.0 to 12.5.15 (excluded) Fixed in 12.3.1+728352, 12.5.15, 12.11.6 |
| WatchGuard Firebox Out-of-Bounds Write Vulnerability CVE-2025-9242 · November 12, 2025 | Critical 9.8 Exploited | from 12.0 to 12.11.4 (excluded); from 12.0 to 12.3.1+722811 (excluded); from 12.0 to 12.5.13 (excluded) Fixed in 12.3.1+722811, 12.5.13, 12.11.4 |
Affected versions are compiled automatically from vendor advisories and NVD and may contain errors. Where no fixed version is shown, you will find it in the official advisory linked from every page: check it there before updating.
Other Firebox / Fireware OS versions: 11