High severityNVD Advisory· Published Sep 30, 2026

CVE-2026-86132

Description

An integer underflow vulnerability in the WatchGuard Fireware OS IKEv2 daemon (iked) allows a remote, unauthenticated attacker to crash the process by sending a specially crafted encrypted IKEv2 message negotiated with an AES-GCM cipher suite.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

WatchGuard/ikedllm-fuzzy
WatchGuard/Fireware OSllm-fuzzy

Patches

Vulnerability mechanics

References

psirt.watchguard.com/CVE-2026-86132nvd

News mentions

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