CVE-2026-13368
High
Description
WatchGuard Fireware OS contains a race condition leading to a use-after-free vulnerability in LDAP authentication for the Mobile User VPN with IKEv2. A remote unauthenticated attacker could exploit this vulnerability to execute arbitrary code in the context of the iked process on Fireboxes that have a Mobile VPN with IKEv2 configured to use an external LDAP authentication server.
SeverityHigh
CVSS8.1
Exploit probability—
ProductWatchguard Fireware
PublishedJul 3, 2026
First seenJul 3, 2026
Weakness typeCWE-416Use after free
How to fix
Update
- watchguard fireware2026.2.1, 12.5.19, 11.12.4, 12.12.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| watchguard fireware | 2025.1 ≤ v < 2026.2.1, 12.5 ≤ v < 12.5.19, 11.0.0 ≤ v < 11.12.4, 11.12.4, 12.0 ≤ v < 12.12.1 | 2026.2.1, 12.5.19, 11.12.4, 12.12.1 |
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