Description (CNA)
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow an unauthenticated attacker on the same local network segment to execute arbitrary code. 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 2026.2.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| WatchGuard / Fireware OS | affected 2025.1 before 2026.2.1; affected 12.0 before 12.12.1; affected 11.0 before * |
| WatchGuard / Fireware OS | affected 12.0 before 12.11.9 |
| WatchGuard / Fireware OS | affected 12.0 before 12.5.19 |
CWE
CWE-120
References
- https://psirt.watchguard.com/CVE-2026-8247
- https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00026
ADP enrichment
No English description supplied.
No references supplied.