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CVE-2025-4539— Hainan ToDesk DLL File Parser profapi.dll uncontrolled search path

Quick assessment

Affected
Hainan ToDesk
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.

ToDesk是中国ToDesk公司的一款专业的远程桌面软件。 ToDesk 4.7.6.3版本存在代码问题漏洞，该漏洞源于组件DLL File Parser中库profapi.dll存在不受控的搜索路径。

CVSS 7.0 · High EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1574.001 · DLL
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I. Basic Information for CVE-2025-4539

Vulnerability Information
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Vulnerability Title
Hainan ToDesk DLL File Parser profapi.dll uncontrolled search path
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Hainan ToDesk 4.7.6.3. It has been declared as critical. This vulnerability affects unknown code in the library profapi.dll of the component DLL File Parser. The manipulation leads to uncontrolled search path. It is possible to launch the attack on the local host. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
ToDesk 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ToDesk是中国ToDesk公司的一款专业的远程桌面软件。 ToDesk 4.7.6.3版本存在代码问题漏洞，该漏洞源于组件DLL File Parser中库profapi.dll存在不受控的搜索路径。
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
Hainan ToDesk 4.7.6.3 -

II. Public POCs for CVE-2025-4539

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III. Intelligence Information for CVE-2025-4539

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IV. Related Vulnerabilities

Same weakness: CWE-427

V. Comments for CVE-2025-4539

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