CVE-2026-13084
HIGH
8.7
CVSS 4.0
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
Metadata
Severity & Metrics
8.7
HIGH CVSS 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| WatchGuard | Fireware OS | — | 11.10.2 ≤ 11.12.4+541730, 12.0 ≤ 12.12, 12.5 ≤ 12.5.18, 2025.1 ≤ 2026.2 |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| CWE-476 | cna | CWE-476 NULL Pointer Dereference |
CVSS scores (1)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 8.7 | HIGH | 4.0 | cna | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |