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.
Advisories

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Fixes

Solution

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Workaround

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History

Mon, 15 Dec 2025 15:15:00 +0000

Type Values Removed Values Added
Description NetSupport Manager <= 14.12.0.304 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. 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.
Title NetSupport Manager <= 14.12.0.304 Authenticated Path Traversal Arbitrary File Write RCE NetSupport Manager < 14.12.0001 Authenticated Path Traversal Arbitrary File Write RCE

Mon, 15 Dec 2025 15:00:00 +0000

Type Values Removed Values Added
Description NetSupport Manager <= 14.12.0.304 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.
Title NetSupport Manager <= 14.12.0.304 Authenticated Path Traversal Arbitrary File Write RCE
Weaknesses CWE-22
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2025-12-15T14:54:36.760Z

Reserved: 2025-04-15T19:15:22.568Z

Link: CVE-2025-34181

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2025-12-15T15:15:49.863

Modified: 2025-12-15T15:15:49.863

Link: CVE-2025-34181

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses