CVE-2025-34164

NetSupport Manager < 14.12.0000 Heap-Based Buffer Overflow

Published Aug 29, 2025 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Description
A heap-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 execute arbitrary code.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-26268 A heap-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 result in arbitrary code execution.
History
Type Values Removed Values Added
Description A heap-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 result in arbitrary code execution. A heap-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 execute arbitrary code.
Metrics cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Netsupport
Netsupport netsupport Manager Agent
Netsupport netsupport Manager Client
Netsupportsoftware
Netsupportsoftware netsupport Manager
Vendors & Products Netsupport
Netsupport netsupport Manager Agent
Netsupport netsupport Manager Client
Netsupportsoftware
Netsupportsoftware netsupport Manager
Type Values Removed Values Added
Description A heap-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 result in arbitrary code execution.
Title NetSupport Manager < 14.12.0000 Heap-Based Buffer Overflow
Weaknesses CWE-122
References
Metrics cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
May 14, 2026, 2:07 AM
Reserved
Apr 15, 2025, 7:15 PM
Status
Deferred
Published
Aug 30, 2025, 12:15 AM
Modified
Oct 18, 2026, 9:10 PM