Description
A null pointer dereference vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to create a denial-of-service (DoS) condition by sending specially crafted IKEv2 messages. This vulnerability affects both the Mobile User VPN with IKEv2 and the Branch Office VPN using IKEv2 when configured with a dynamic gateway peer.
This vulnerability affects Fireware OS 11.10.2 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 products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| WatchGuard | Fireware OS | 2025.1 – < 2026.2.1, 12.0 – < 12.12.1, 11.10.2, 12.0 – < 12.11.9, 12.0 – < 12.5.19 | 2026.2.1 |
Advisories 1
- WID-SEC-2026-2193 WatchGuard Firebox: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 2, 2026
References
- https://psirt.watchguard.com/CVE-2026-13084 vendor-advisory
- https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00024 vendor-advisory