High · published July 3, 2026
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS networkd process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Management Web UI.
| Product | Versions | Fixed in |
|---|---|---|
| watchguard/fireware | ≥ 2025.1, < 2026.2.1 | 2026.2.1 |
| watchguard/fireware | ≥ 12.5, < 12.5.19 | 12.5.19 |
| watchguard/fireware | ≥ 11.0.0, < 11.12.4 | 11.12.4 |
| watchguard/fireware | all versions | — |
| watchguard/fireware | all versions | — |
| watchguard/fireware | ≥ 12.0, < 12.12.1 | 12.12.1 |