CVE-2026-41286

MEDIUM

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

Title source: cna

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.

References (1)

Core 1

Core References

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

Scores

CVSS v3 6.5

EPSS 0.0021

EPSS Percentile 11.5%

Attack Vector ADJACENT_NETWORK

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-121

Status published

Products (2)

watchguard/agent < 1.25.03.0000

WatchGuard Technologies/WatchGuard Agent < 1.25.03.0000

Published May 06, 2026

Tracked Since May 06, 2026