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Vulnerability Details :

CVE-2026-41287

Summary
Assigner-WatchGuard
Assigner Org ID-5d1c2695-1a31-4499-88ae-e847036fd7e3
Published At-06 May, 2026 | 13:40
Updated At-06 May, 2026 | 14:49
Rejected At-
Credits

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

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:WatchGuard
Assigner Org ID:5d1c2695-1a31-4499-88ae-e847036fd7e3
Published At:06 May, 2026 | 13:40
Updated At:06 May, 2026 | 14:49
Rejected At:
▼CVE Numbering Authority (CNA)
Stack-based Buffer Overflow in WatchGuard Agent Discovery Service on Windows Causes Denial of Service - Variant A

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.

Affected Products
Vendor
WatchGuard Technologies, Inc.WatchGuard
Product
WatchGuard Agent
Platforms
  • Windows
Default Status
unaffected
Versions
Affected
  • From 0 before 1.25.03.0000 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-121CWE-121 Stack-based Buffer Overflow
Type: CWE
CWE ID: CWE-121
Description: CWE-121 Stack-based Buffer Overflow
Metrics
VersionBase scoreBase severityVector
4.07.1HIGH
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
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:N/VA:H/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-100CAPEC-100 Overflow Buffers
CAPEC ID: CAPEC-100
Description: CAPEC-100 Overflow Buffers
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00010
N/A
Hyperlink: https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00010
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:5d1c2695-1a31-4499-88ae-e847036fd7e3
Published At:06 May, 2026 | 15:16
Updated At:06 May, 2026 | 19:07

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.07.1HIGH
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/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: 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:N/VA:H/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
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-121Secondary5d1c2695-1a31-4499-88ae-e847036fd7e3
CWE ID: CWE-121
Type: Secondary
Source: 5d1c2695-1a31-4499-88ae-e847036fd7e3
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-000105d1c2695-1a31-4499-88ae-e847036fd7e3
N/A
Hyperlink: https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00010
Source: 5d1c2695-1a31-4499-88ae-e847036fd7e3
Resource: N/A

Change History

0
Information is not available yet

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CWE ID-CWE-121
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Details not found