CVEvulnerability

CVE-2026-103594

9.5 CRITICAL Published 2026-10-27 Modified 2026-10-28 Official page ↗
Status
Awaiting Analysis
Published
2026-10-27
Last modified
2026-10-28
Assigner
5d1c2695-1a31-4499-88ae-e847036fd7e3
CVSS 4.0 (5d1c2695-1a31-4499-88ae-e847036fd7e3)
9.5 CRITICAL — CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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-121, CWE-1284, CWE-787

Description

A stack-based buffer overflow vulnerability in Fireware OS's WireGuard configuration processing allows a remote attacker that has man-in-the-middle TLS-decrypted access between the Firebox and WatchGuard Cloud to create a Denial of Service condition and potentially execute arbitrary code by tampering with a FireCloud Gateway configuration payload.

Related

Weakness · CWE (3)

  • CWE-121 Stack-based Buffer Overflow weakness
  • CWE-1284 Improper Validation of Specified Quantity in Input weakness
  • CWE-787 Out-of-bounds Write weakness

References