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CVE-2025-34118— Linknat VOS Manager Path Traversal File Disclosure

Quick assessment

Affected
Linknat Technology VOS 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.

Linknat VOS Manager是中国昆石网络（Linknat）公司的一个供移动端使用的VOS web操作平台。 Linknat VOS Manager 2.1.9.07之前版本存在安全漏洞，该漏洞源于路径遍历攻击，可能导致读取服务器上的任意文件。

AI Predicted 9.8 Difficulty: Easy EPSS 1.43% · P71

Public Exploits 1

Metasploit · 1 linknat_vos_traversal.rb [auxiliary]

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery

Affected Version Matrix 2

VendorProduct Version RangeStatus
Linknat Technology VOS Manager ≤ VOS2009 affected
≤ VOS3000 2.1.9.06 affected
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I. Basic Information for CVE-2025-34118

Vulnerability Information
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Vulnerability Title
Linknat VOS Manager Path Traversal File Disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
A path traversal vulnerability exists in Linknat VOS Manager versions prior to 2.1.9.07, including VOS2009 and early VOS3000 builds, that allows unauthenticated remote attackers to read arbitrary files on the server. The vulnerability is accessible via multiple localized subpaths such as '/eng/', '/chs/', or '/cht/', where the 'js/lang_en_us.js' or equivalent files are loaded. By injecting encoded traversal sequences such as '%c0%ae%c0%ae' into the request path, attackers can bypass input validation and disclose sensitive files.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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
Linknat VOS Manager 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linknat VOS Manager是中国昆石网络（Linknat）公司的一个供移动端使用的VOS web操作平台。 Linknat VOS Manager 2.1.9.07之前版本存在安全漏洞，该漏洞源于路径遍历攻击，可能导致读取服务器上的任意文件。
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
Linknat Technology VOS Manager 0 ~ VOS2009 -

II. Public POCs for CVE-2025-34118

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III. Intelligence Information for CVE-2025-34118

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IV. Related Vulnerabilities

Same weakness: CWE-22

V. Comments for CVE-2025-34118

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