What is GHSA-h8f9-rp2r-962g?

GHSA-h8f9-rp2r-962g is a security advisory published by GitHub Security Advisories with High severity. A stack-based buffer overflow vulnerability in WatchGuard Fireware OS's DHCP fingerprinting...

Which CVE IDs does GHSA-h8f9-rp2r-962g cover?

GHSA-h8f9-rp2r-962g covers the following CVE IDs: CVE-2026-81433. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-h8f9-rp2r-962gHigh

A stack-based buffer overflow vulnerability in WatchGuard Fireware OS's DHCP fingerprinting...

Vendor

GitHub Security Advisories

Published

September 30, 2026

Last Modified

September 30, 2026

🔗 CVE IDs covered (1)

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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-81433
https://psirt.watchguard.com/CVE-2026-81433
https://github.com/advisories/GHSA-h8f9-rp2r-962g