CVE-2026-81433 — Fireware OS Pre-Authentication Stack Buffer Overflow in fingerd Allows Remote Code Execution
A stack-based buffer overflow vulnerability in WatchGuard Fireware OS's DHCP fingerprinting daemon (fingerd) allows an unauthenticated attacker with adjacent network access to e…
Published: 2026-09-29 · CVSS: 8.7 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7