CVE-2026-41286

Stack-based Buffer Overflow in WatchGuard Agent Discovery Service on Windows Causes Denial of Service - Variant B

State: Published
Severity: 7.1 High
Published: May 6, 2026
Updated: Aug 10, 2026
Reserved: Apr 20, 2026

Description

Stack-based Buffer Overflow vulnerability in the WatchGuard Agent discovery service on Windows allows Overflow Buffers. An unauthenticated attacker on the same local network could exploit this vulnerability to crash the agent service.

Scores

CVSS	Score	Vector	Source
4.0	7.1 High	CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N	WatchGuard

Weaknesses

CWE-121

Affected Products

Product	Versions
WatchGuard AgentWatchGuard	1.0.0.0 to before 1.25.03.0000Affected

References

https://psirt.watchguard.com/CVE-2026-41286vendor-advisory
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00011vendor-advisory

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