CVEvulnerability

CVE-2026-18145

8.6 HIGH Published 2026-09-30 Modified 2026-10-08 Official page ↗
Status
Analyzed
Published
2026-09-30
Last modified
2026-10-08
Assigner
5d1c2695-1a31-4499-88ae-e847036fd7e3
CVSS 4.0 (5d1c2695-1a31-4499-88ae-e847036fd7e3)
8.6 HIGH — CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
CVSS 3.1 ([email protected])
7.2 HIGH — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-121

Description

A stack-based buffer overflow vulnerability in the spamBlocker (spamd) service of WatchGuard Fireware OS allows an authenticated attacker with administrator privileges to crash the service or potentially execute arbitrary code by sending a specially crafted management request.

Affected configurations

• watchguard fireware (>= 12.0 < 12.5.21) • watchguard fireware (>= 12.12 < 12.12.3) • watchguard fireware (>= 2025.2 < 2026.2.3) • watchguard fireware (>= 2026.3 < 2026.3.2)

Related

Weakness · CWE (1)

  • CWE-121 Stack-based Buffer Overflow weakness

References