# CVE-2026-13084

## Summary

- **CVE ID:** CVE-2026-13084
- **Severity:** HIGH
- **CVSS Score:** 8.7 (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)
- **CWE:** CWE-476, CWE-476
- **Published:** Jul 2, 2026
- **Last Modified:** Aug 28, 2026

## 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

- WatchGuard — Fireware OS (11.10.2)
- WatchGuard — Fireware OS (12.0)
- WatchGuard — Fireware OS (12.5)
- WatchGuard — Fireware OS (2025.1)

## References

- [CNA](https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00024)
- [CNA](https://psirt.watchguard.com/CVE-2026-13084)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.50%
- **EPSS Percentile:** 41.5

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._