CVE-2025-34165: Netsupport Ltd Netsupport Manager

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Netsupport Ltd Netsupport Manager: from 14.0, before 14.12.0000 (fixed in 14.12.0000)

Published 2025-08-30. Last modified 2026-06-17.