CVE-2026-13084
Last modified
CVE-2026-13084 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.50% chance of exploitation in the next 30 days.
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
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Watchguard | Fireware | >= 12.5, < 12.5.19 |
| Watchguard | Fireware | >= 11.0.0, < 11.12.4 |
| Watchguard | Fireware | 11.12.4 |
| Watchguard | Fireware | >= 12.0, < 12.12.1 |
| Watchguard | Fireware | >= 2025.1, < 2026.2.1 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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