Description
A Cross-Site Request Forgery (CSRF) vulnerability in the WatchGuard Fireware OS WebUI could allow a remote attacker to trigger a denial-of-service (DoS) condition in the Fireware Web UI by convincing an authenticated administrator into visiting a malicious web page.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| WatchGuard | Fireware OS | 2025.1 – < 2026.2, 12.0 – < 12.12, 11.8 – ≤ 11.12.4+541730, 12.0 – < 12.11.9, 12.0 – < 12.5.18 | 2026.2 |
Advisories 1
- WID-SEC-2026-0892 WatchGuard Firebox: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 30, 2026
References
- https://psirt.watchguard.com/CVE-2026-4315 vendor-advisory
- https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00006 vendor-advisory