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HIGH · 8.1

CVE-2026-13368

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 th...

Vulnerability 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.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
WatchguardFireware>= 2025.1, < 2026.2.1
WatchguardFirebox M295-
WatchguardFirebox M395-
WatchguardFirebox M495-
WatchguardFirebox M595-
WatchguardFirebox M695-
WatchguardFirebox T115-W-
WatchguardFirebox T125-
WatchguardFirebox T125-W-
WatchguardFirebox T145-
WatchguardFirebox T145-W-
WatchguardFirebox T185-
WatchguardFirebox T15-
WatchguardFirebox T35-
WatchguardFirebox Cloud-
WatchguardFirebox M270-
WatchguardFirebox M290-
WatchguardFirebox M370-
WatchguardFirebox M390-
WatchguardFirebox M440-

Related Weaknesses (CWE)

CWE-416

References

FAQ

What is CVE-2026-13368?

CVE-2026-13368 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 th...

How severe is CVE-2026-13368?

CVE-2026-13368 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-13368?

Check the references section above for vendor advisories and patch information. Affected products include: Watchguard Fireware, Watchguard Firebox M295, Watchguard Firebox M395, Watchguard Firebox M495, Watchguard Firebox M595.