CVE-2026-13084
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
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| WatchGuard | Fireware OS | 2025.1 < 2026.2.1 | affected |
| WatchGuard | Fireware OS | 12.0 < 12.12.1 | affected |
| WatchGuard | Fireware OS | 11.10.2 < * | affected |
| WatchGuard | Fireware OS | 12.5 < 12.5.19 | affected |
Weaknesses
- CWE-476: CWE-476
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
- https://psirt.watchguard.com/CVE-2026-13084
- https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00024
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