SecuriTricks - CVE-2025-13316

Description

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.

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-321

Use of Hard-coded Cryptographic Key

The use of a hard-coded cryptographic key significantly increases the possibility that encrypted data may be recovered.

*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

8.2 / 10

CVSS Data - 4.0

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

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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: Nov. 25, 2025, 7:36 p.m.

Status : Analyzed

CVE has had analysis completed and all data associations made.

More info

Source

cve@rapid7.com

CVE-2025-13316