ByteOS Network

Vulnerability Details :

CVE-2026-41286

Assigner Org ID-5d1c2695-1a31-4499-88ae-e847036fd7e3

Published At-06 May, 2026 | 15:46

Updated At-06 May, 2026 | 16:11

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

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.

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

▼Common Vulnerabilities and Exposures (CVE)

cve.org

Assigner:WatchGuard

Assigner Org ID:5d1c2695-1a31-4499-88ae-e847036fd7e3

Published At:06 May, 2026 | 15:46

Updated At:06 May, 2026 | 16:11

▼CVE Numbering Authority (CNA)

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

Affected Products

Vendor

WatchGuard Technologies

Product

WatchGuard Agent

Platforms

Windows

Default Status

unaffected

Versions

Affected

From 0 before 1.25.03.0000 (custom)

Problem Types

Type	CWE ID	Description
CWE	CWE-121	CWE-121 Stack-based Buffer Overflow

Type: CWE

CWE ID: CWE-121

Description: CWE-121 Stack-based Buffer Overflow

Metrics

Version	Base score	Base severity	Vector
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

Version: 4.0

Base score: 7.1

Base severity: HIGH

Vector:

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

Impacts

CAPEC ID	Description
CAPEC-100	CAPEC-100 Overflow Buffers

CAPEC ID: CAPEC-100

Description: CAPEC-100 Overflow Buffers

References

Hyperlink	Resource
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00011	N/A

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

Resource: N/A

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Metrics Other Info

▼National Vulnerability Database (NVD)

nvd.nist.gov

Source:5d1c2695-1a31-4499-88ae-e847036fd7e3

Published At:06 May, 2026 | 16:16

Updated At:11 May, 2026 | 18:36

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary	3.1	6.5	MEDIUM	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Type: Secondary

Version: 4.0

Base score: 7.1

Base severity: HIGH

Vector:

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Type: Primary

Version: 3.1

Base score: 6.5

Base severity: MEDIUM

Vector:

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

CPE Matches

WatchGuard Technologies, Inc.

>>agent>>Versions before 1.25.03.0000(exclusive)

cpe:2.3:a:watchguard:agent:*:*:*:*:*:windows:*:*

Weaknesses

CWE ID	Type	Source
CWE-121	Secondary	5d1c2695-1a31-4499-88ae-e847036fd7e3

CWE ID: CWE-121

Type: Secondary

Source: 5d1c2695-1a31-4499-88ae-e847036fd7e3

References

Hyperlink	Source	Resource
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00011	5d1c2695-1a31-4499-88ae-e847036fd7e3	Vendor Advisory

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

Source: 5d1c2695-1a31-4499-88ae-e847036fd7e3

Resource:

Vendor Advisory

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