# CVE-2025-34118

## Summary

- **CVE ID:** CVE-2025-34118
- **Severity:** HIGH
- **CVSS Score:** 8.7 (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)
- **CWE:** CWE-22, CWE-20
- **Published:** Jul 16, 2025
- **Last Modified:** May 15, 2026

## 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.

## Affected Products

- Linknat Technology — VOS Manager (*)
- Linknat Technology — VOS Manager (0)

## References

- [CNA](http://www.linknat.com/)
- [CNA](https://web.archive.org/web/20151013001957/http://www.wooyun.org/bugs/wooyun-2010-0145458)
- [CNA](https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/scanner/http/linknat_vos_traversal.rb)
- [CNA](https://www.vulncheck.com/advisories/linknat-vos-manager-path-traversal-file-disclosure)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 2.05%
- **EPSS Percentile:** 80.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._