Stack-Based Buffer Overflow in NetSupport Manager
CVE-2025-34165

8.8HIGH

Key Information:

Vendor

Netsupport Ltd.

Status
Netsupport Manager
Vendor
CVE Published:
29 August 2025

What is CVE-2025-34165?

A significant buffer overflow vulnerability in NetSupport Manager exists in versions prior to 14.12.0000. This flaw permits a remote, unauthenticated attacker to exploit the stack memory, potentially leading to a denial of service (DoS) or the leakage of limited amounts of sensitive memory data. Organizations using affected versions are advised to upgrade promptly to ensure system integrity and security.

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Deploy the Patch

Affected Version(s)

NetSupport Manager 14.x < 14.12.0000

References

https://www.netsupportmanager.com/
product
https://www.vulncheck.com/advisories/netsupport-client-ma...
third-party-advisory

CVSS V4

Score:
8.8
Severity:
HIGH
Confidentiality:
Low
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Fabian Weber of CODE WHITE
JSON
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