CVE-2026-13384#
WatchGuard Firebox wgagent Out of Bounds Write Vulnerability
Summary #
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS wgagent process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Management Web UI.
Product status #
| Product | Affected | Not affected |
|---|---|---|
| Fireware OS | ||
| Default | >= 2025.1, < 2026.2.1, >= 12.1, < 12.12.1 | >= 2026.2.1, >= 12.12.1 |
| T15/T35 | >= 12.1, < 12.5.19 | >= 12.5.19 |
| EUCC | >= 12.1, < 12.11.9 | >= 12.11.9 |
Weakness Type and Impact #
Exploitation Status #
WatchGuard is not aware of any exploitation of this vulnerability in the wild.
Solution #
Fireware OS 2026.2.1, Fireware OS 12.12.1, Fireware OS 12.5.19, Fireware OS 12.11.9
References #
Credits #
- Cody Sixteenfinder