// For flags

CVE-2026-41286

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

Severity Score

7.1
*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

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.

*Credits: N/A
CVSS Scores
Attack Vector
Adjacent
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
System
Vulnerable | Subsequent
Confidentiality
None
None
Integrity
High
None
Availability
None
None
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2026-04-20 CVE Reserved
  • 2026-05-06 CVE Published
  • 2026-05-11 CVE Updated
  • 2026-05-12 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-121: Stack-based Buffer Overflow
CAPEC
  • CAPEC-100: Overflow Buffers
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00011 2026-05-06
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Watchguard
Search vendor "Watchguard"
 Agent
Search vendor "Watchguard" for product "Agent"
 < 1.25.03.0000
Search vendor "Watchguard" for product "Agent" and version " < 1.25.03.0000"
windows
Affected