CVEvulnerability

CVE-2026-81433

8.7 HIGH Published 2026-09-30 Modified 2026-10-01 Official page ↗
Status
Deferred
Published
2026-09-30
Last modified
2026-10-01
Assigner
5d1c2695-1a31-4499-88ae-e847036fd7e3
CVSS 4.0 (5d1c2695-1a31-4499-88ae-e847036fd7e3)
8.7 HIGH — CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weaknesses
CWE-120, CWE-121, CWE-787

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.

Related

Weakness · CWE (3)

  • CWE-120 Buffer Copy without Checking Size of Input weakness
  • CWE-121 Stack-based Buffer Overflow weakness
  • CWE-787 Out-of-bounds Write weakness

References