CVE-2026-41286: CWE-121 Stack-based Buffer Overflow in WatchGuard Technologies WatchGuard Agent
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 Analysis
Technical Summary
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.
CVE-2026-41286: CWE-121 Stack-based Buffer Overflow in WatchGuard Technologies 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
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.
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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