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.

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
WatchGuard WatchGuard Agent unaffected
Version Status Constraints
0 affected < 1.25.03.0000

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Project Subscriptions

Vendors Products
Watchguard Subscribe
Single Watchguard Agent Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00010 cve-icon cve-icon
History

Wed, 06 May 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Wed, 06 May 2026 14:30:00 +0000

Type Values Removed Values Added
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.
Title Stack-based Buffer Overflow in WatchGuard Agent Discovery Service on Windows Causes Denial of Service - Variant A
First Time appeared Watchguard
Watchguard single Watchguard Agent
Weaknesses CWE-121
CPEs cpe:2.3:a:watchguard:single_watchguard_agent:*:*:*:*:*:*:*:*
Vendors & Products Watchguard
Watchguard single Watchguard Agent
References
Metrics cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: WatchGuard

Published:

Updated: 2026-05-06T14:49:34.423Z

Reserved: 2026-04-20T09:57:56.546Z

Link: CVE-2026-41287

cve-icon Vulnrichment

Updated: 2026-05-06T14:49:29.433Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-06T15:16:10.767

Modified: 2026-05-06T19:07:58.693

Link: CVE-2026-41287

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-06T16:00:06Z

Weaknesses