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CVE-2026-41286: CWE-121 Stack-based Buffer Overflow in WatchGuard Technologies WatchGuard Agent

0
High
VulnerabilityCVE-2026-41286cvecve-2026-41286cwe-121
Published: Wed May 06 2026 (05/06/2026, 15:46:01 UTC)
Source: CVE Database V5
Vendor/Project: WatchGuard Technologies
Product: WatchGuard Agent

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.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/06/2026, 16:21:39 UTC

Technical Analysis

This vulnerability involves a stack-based buffer overflow (CWE-121) in the WatchGuard Agent discovery service on Windows platforms. An attacker without authentication but on the same local network can exploit this flaw to overflow buffers, resulting in a crash of the agent service. The CVSS 4.0 vector indicates the attack requires adjacent network access with low complexity and no privileges or user interaction, and it impacts the integrity of the service. The vendor has not released any official fix or mitigation details as of the publication date.

Potential Impact

Successful exploitation can cause the WatchGuard Agent service to crash, potentially disrupting its normal operation. There is no indication from the data that this vulnerability allows code execution or data compromise beyond service disruption. No known active exploits have been reported.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch or official mitigation is available, limit exposure by restricting local network access to the WatchGuard Agent discovery service where possible.

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Technical Details

Data Version
5.2
Assigner Short Name
WatchGuard
Date Reserved
2026-04-20T09:57:56.545Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 69fb6703cbff5d8610070f88

Added to database: 5/6/2026, 4:06:27 PM

Last enriched: 5/6/2026, 4:21:39 PM

Last updated: 5/7/2026, 8:17:45 AM

Views: 14

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