# CVE-2025-13315

## Summary

- **CVE ID:** CVE-2025-13315
- **Severity:** CRITICAL
- **CVSS Score:** 9.3 (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)
- **CWE:** CWE-420
- **Published:** Nov 19, 2025
- **Last Modified:** Mar 13, 2026

## 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.

## Affected Products

- Lynxtechnology — Twonky Server (8.5.2)

## References

- [CNA](https://www.rapid7.com/blog/post/cve-2025-13315-cve-2025-13316-critical-twonky-server-authentication-bypass-not-fixed/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 32.53%
- **EPSS Percentile:** 98.2

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