[ CVE-2026-89052 · Published 21 Oct 2026 ]

Vulnerability in TP-Link Systems Inc. Archer C6 V2

CVSS 5.9 EPSS <1%No fix listed yet

[ Description ]Official 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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.