CVE-2026-89052

Published: Oct 21, 2026Modified: Oct 21, 2026

5.9

Vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:L/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

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:L/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:XShow less

Source: f23511db-6c3e-4e32-a477-6aa17d310630 (Secondary)

Description

A hardcoded cryptographic key management vulnerability exists in Archer C6 due to the use of a universal cryptographic key shared across devices. An attacker who obtains an encrypted configuration file or other protected credential data can recover plaintext credentials. Successful exploitation may allow unauthorized disclosure of sensitive information, including administrative credentials.

Related CWEs

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.

References (2)

https://www.tp-link.com/us/support/download/archer-c6/v2/#Firmware

Source: f23511db-6c3e-4e32-a477-6aa17d310630

https://www.tp-link.com/us/support/faq/5356/

Source: f23511db-6c3e-4e32-a477-6aa17d310630

Timeline

No history available yet.