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CVE-2025-13315— Unauthenticated log access in Twonky Server

Quick assessment

Affected
Lynxtechnology Twonky Server
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Lynx Twonky Server是美国Lynx公司的一个DLNA/UPnP媒体服务器。 Lynx Twonky Server 8.5.2版本存在安全漏洞，该漏洞源于访问控制缺陷，可能导致日志文件泄露和管理员凭据泄露。

AI Predicted 7.5 Difficulty: Easy EPSS 32.53% · P98
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I. Basic Information for CVE-2025-13315

Vulnerability Information
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Vulnerability Title
Unauthenticated log access in Twonky Server
Source: CVE Program / CVE List V5
Vulnerability Description
Twonky Server 8.5.2 on Linux and Windows is vulnerable to an access control flaw. An unauthenticated attacker can bypass web service API authentication controls to leak a log file and read the administrator's username and encrypted password.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
未保护的候选通道
Source: CVE Program / CVE List V5
Vulnerability Title
Lynx Twonky Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lynx Twonky Server是美国Lynx公司的一个DLNA/UPnP媒体服务器。 Lynx Twonky Server 8.5.2版本存在安全漏洞，该漏洞源于访问控制缺陷，可能导致日志文件泄露和管理员凭据泄露。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Lynxtechnology Twonky Server 8.5.2 -

II. Public POCs for CVE-2025-13315

# POC Description Source Link Shenlong Link
1 Twonky Server 8.5.2 contains a broken access control vulnerability caused by bypassing web service API authentication, letting unauthenticated attackers read log files with administrator credentials, exploit requires no authentication https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-13315.yaml POC Details
2 CVE-2025-13315 https://github.com/Ashwesker/Blackash-CVE-2025-13315 POC Details
3 CVE-2025-13315 https://github.com/Ashwesker/Ashwesker-CVE-2025-13315 POC Details
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III. Intelligence Information for CVE-2025-13315

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IV. Related Vulnerabilities

Same product: Twonky Server
Same vendor: Lynxtechnology
Same weakness: CWE-420

V. Comments for CVE-2025-13315

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