SecuriTricks - CVE-2025-13315

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.

Product(s) Impacted

Vendor	Product	Versions
Lynxtechnology	Twonky Server	8.5.2
Linux	Linux Kernel	-
Microsoft	Windows	-

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-420

Unprotected Alternate Channel

The product protects a primary channel, but it does not use the same level of protection for an alternate channel.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	lynxtechnology	twonky_server	8.5.2	/	/	/	/	/	/	/
o	linux	linux_kernel	-	/	/	/	/	/	/	/
o	microsoft	windows	-	/	/	/	/	/	/	/

References

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

CVSS Score

9.3 / 10

CVSS Data - 4.0

Attack Vector: NETWORK
Attack Complexity: LOW
Attack Requirements: NONE
Privileges Required: NONE
User Interaction: NONE
Scope:
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH
Exploit Maturity: NOT_DEFINED

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

View Vector String

Timeline

Published: Nov. 19, 2025, 6:15 p.m.
Last Modified: Dec. 2, 2025, 4:42 p.m.

Status : Analyzed

CVE has had analysis completed and all data associations made.

More info

Source

cve@rapid7.com

CVE-2025-13315