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CVE-2025-34181— NetSupport Manager < 14.12.0001 Authenticated Path Traversal Arbitrary File Write RCE

Quick assessment

Affected
NetSupport Software Manager
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NetSupport Manager是NetSupport Manager公司的一款远程控制软件。 NetSupport Manager 14.12.0001之前版本存在安全漏洞，该漏洞源于Connectivity Server/Gateway PUTFILE请求处理程序存在任意文件写入，可能导致远程代码执行。

AI Predicted 8.6 Difficulty: Easy EPSS 1.04% · P63

Possible ATT&CK Techniques 1 AI

T1195.002 · Compromise Software Supply Chain

Affected Version Matrix 1

VendorProduct Version RangeStatus
NetSupport Software Manager < 14.12.0001 affected
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I. Basic Information for CVE-2025-34181

Vulnerability Information
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Vulnerability Title
NetSupport Manager < 14.12.0001 Authenticated Path Traversal Arbitrary File Write RCE
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
NetSupport Manager 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NetSupport Manager是NetSupport Manager公司的一款远程控制软件。 NetSupport Manager 14.12.0001之前版本存在安全漏洞，该漏洞源于Connectivity Server/Gateway PUTFILE请求处理程序存在任意文件写入，可能导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NetSupport Software Manager 0 ~ 14.12.0001 -

II. Public POCs for CVE-2025-34181

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III. Intelligence Information for CVE-2025-34181

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Other References for CVE-2025-34181 (3)

Same Patch Batch · NetSupport Software · 2025-12-15 · 3 CVEs total

CVE-2025-34180 NetSupport Manager < 14.12.0001 Gateway Key Reversible Encoding Credential Recovery
CVE-2025-34179 NetSupport Manager < 14.12.0001 Unauthenticated SQLi Local File Disclosure

IV. Related Vulnerabilities

Same product: Manager
Same vendor: NetSupport Software
Same weakness: CWE-22

V. Comments for CVE-2025-34181

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