High severityNVD Advisory· Published Sep 30, 2026
CVE-2026-86133
CVE-2026-86133
Description
An integer underflow vulnerability in the WatchGuard Fireware OS IKE daemon (iked) allows a remote attacker who has completed the initial IKEv2 handshake to crash the iked process by sending a specially crafted encrypted IKEv2 message, resulting in a denial of service.
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Affected products
1Patches
Vulnerability mechanics
References
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