CVE-2025-34165 - CVE House
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Status published High CVE-2025-34165

NetSupport Manager < 14.12.0000 Stack-Based Buffer Overflow

Vulnerability Description

A stack-based buffer overflow vulnerability in NetSupport Manager 14.x versions prior to 14.12.0000 allows a remote, unauthenticated attacker to cause a denial of service (DoS) or potentially leak a limited amount of memory.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Fabian Weber of CODE WHITE

References

More from NetSupport Ltd.

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CVE-2025-34164
NetSupport Manager < 14.12.0000 Heap-Based Buffer Overflow
Critical 9.3

Affected Vendor

NetSupport Ltd.

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Affected Software

NetSupport Manager
Vulnerable Versions:
14.0

Timeline

Official Publish: August 29th, 2025
Last Modified: May 14th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-121

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control
T1485 Data Destruction
Impact