8.7High
CVE-2026-13084Null Pointer Dereference in WatchGuard Fireware OS iked Process
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
Weakness (CWE):
CWE-476
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| watchguard | fireware | 12.5 – < 12.5.19 | |
| WatchGuard | Fireware OS | 2025.1 – < 2026.2.1, 12.0 – < 12.12.1, 11.10.2 |
References and patches
- https://psirt.watchguard.com/CVE-2026-13084 vendor-advisoryBroken Link
- https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00024 vendor-advisoryVendor Advisory
CPE matches (NVD) (6)
cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*≥ 12.5 < 12.5.19cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*≥ 11.0.0 < 11.12.4cpe:2.3:o:watchguard:fireware:11.12.4:-:*:*:*:*:*:*cpe:2.3:o:watchguard:fireware:11.12.4:u1:*:*:*:*:*:*cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*≥ 12.0 < 12.12.1cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*≥ 2025.1 < 2026.2.1