Vulnerability intelligence

CVE-2026-81433

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.

CVSS Score

8.7

High

EPSS — Exploit Probability

—

Awaiting FIRST.org data · checked 2026-09-30

Exploitation

Not in CISA KEV

KEV does not include every exploited vulnerability

Remediation

unknown

Check vendor advisories