CVE-2026-41287

Medium

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.

SeverityMedium

CVSS6.5

Exploit probability—

ProductWatchguard Agent

PublishedMay 6, 2026

First seenMay 6, 2026

Weakness typeCWE-121CWE-121

How to fix

Update

watchguard agent1.25.03.0000 or later

Vendor advisories

psirt.watchguard.com/CVE-2026-41287
watchguard.com/wgrd-psirt/advisory/wgsa-2026-00010

Affected products

Product	Affected versions	Fixed in
watchguard agent	v < 1.25.03.0000	1.25.03.0000

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