High severityNVD Advisory· Published Sep 30, 2026

CVE-2026-81433

Description

A stack-based buffer overflow vulnerability in WatchGuard Fireware OS's DHCP fingerprinting daemon (fingerd) allows an unauthenticated attacker with adjacent network access to execute arbitrary code or crash the process by sending a specially crafted DHCP packet.

AI Insight

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

Affected products

WatchGuard/Fireware OSllm-fuzzy

Patches

Vulnerability mechanics

References

psirt.watchguard.com/CVE-2026-81433nvd

News mentions

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