CVE-2025-34164 CRITICAL

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

Vendor Netsupport Ltd.
Product NetSupport Manager
Weakness CWE-122
Published August 29, 2025
Last update May 14, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 29, 2025 CVE published
May 14, 2026 Record updated