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.
History

Thu, 08 Oct 2026 20:00:00 +0000

Type Values Removed Values Added
First Time appeared Watchguard fireware
CPEs cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*
Vendors & Products Watchguard fireware
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}


Wed, 30 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 29 Sep 2026 23:30:00 +0000

Type Values Removed Values Added
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.
Title Fireware OS Stack-based Buffer Overflow in spamd Allows Remote Code Execution
First Time appeared Watchguard
Watchguard fireware Os
Weaknesses CWE-121
CPEs cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*
Vendors & Products Watchguard
Watchguard fireware Os
References
Metrics cvssV4_0

{'score': 8.6, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: WatchGuard

Published: 2026-09-29T23:05:47.947Z

Updated: 2026-10-01T03:55:40.898Z

Reserved: 2026-07-28T18:56:32.068Z

Link: CVE-2026-18145

cve-icon Vulnrichment

Updated: 2026-09-30T15:25:29.273Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-30T00:16:36.003

Modified: 2026-10-08T19:48:38.593

Link: CVE-2026-18145

cve-icon Redhat

No data.