Description

NetSupport Manager < 14.12.0001 contains an arbitrary file write vulnerability in its Connectivity Server/Gateway PUTFILE request handler. An attacker with a valid Gateway Key can supply a crafted filename containing directory traversal sequences to write files to arbitrary locations on the server. This can be leveraged to place attacker-controlled DLLs or executables in privileged paths and achieve remote code execution in the context of the NetSupport Manager connectivity service.

INFO

Published Date :

2025-12-15T14:42:18.114Z

Last Modified :

2025-12-15T19:24:16.084Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2025-34181 vulnerability.

Vendors Products
Netsupport
  • Netsupport Manager
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-34181.

URL Resource
https://kb.netsupportsoftware.com/knowledge-base/updating-and-securing-netsupport-manager/ cve-icon cve-icon
https://ret2.me/post/2025-12-04-exploiting-netsupport-gateway/ cve-icon cve-icon
https://www.vulncheck.com/advisories/netsupport-manager-authenticated-path-traversal-arbitrary-write-rce cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability