Hard-coded encryption keys in Twonky Server
Priority MEDIUM 41CWE-321Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-321.
Summary
Twonky Server 8.5.2 on Linux and Windows is vulnerable to a cryptographic flaw, use of hard-coded cryptographic keys. An attacker with knowledge of the encrypted administrator password can decrypt the value with static keys to view the plain text password and gain administrator-level access to Twonky Server.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02779 86th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Lynxtechnology | Twonky Server | 8.5.2 | — | No fix listed | CNA |
- Twonky Server VendorLynxtechnology Affected 8.5.2 Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:lynxtechnology:twonky_server:8.5.2:*:*:*:*:*:*:* | 8.5.2 | Vulnerable | Lynxtechnology |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:lynxtechnology:twonky_server:8.5.2:*:*:*:*:*:*:* Versions 8.5.2 Vulnerable ·Lynxtechnology
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-13316
- 2026-10-03 Alias added: GHSA-6wjv-8p85-pcxm
References
More Lynxtechnology Twonky Server vulnerabilities
- TI-2025-12178 Unauthenticated log access in Twonky Server CVSS 4.0CRITICAL 9.3
- TI-2018-05193 Directory traversal vulnerability in Twonky Server 7.0.11 through 8.5 allows remote… CVSS 3.0HIGH 7.5
- TI-2018-05220 Cross-site scripting (XSS) vulnerability in Twonky Server 7.0.11 through 8.5 allows… CVSS 3.0MEDIUM 6.1
- TI-2018-06669 Twonky Server before 8.5.1 has XSS via a modified "language" parameter in the Language section. CVSS 3.0MEDIUM 6.1
- TI-2018-06668 Twonky Server before 8.5.1 has XSS via a folder name on the Shared Folders screen. CVSS 3.0MEDIUM 6.1
Sources
- CVE-2025-13316 · CVE Program
- CVE-2025-13316 · NVD
- FIRST EPSS
- GHSA-6wjv-8p85-pcxm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences