HIGH 8.7 NVD

CVE-2026-81433

A stack-based buffer overflow vulnerability in WatchGuard Fireware OS's DHCP fingerprinting daemon (fingerd) allows an unauthenticated attacker with adjacent ne

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.

References

https://psirt.watchguard.com/CVE-2026-81433

Published: 2026-09-30 · Source: NVD · Feed updated: 2026-09-30

This high severity vulnerability with a CVSS score of 8.7 was published on 2026-09-30 via NVD.

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