CVE-2026-89052

MediumCVSS 5.9/10Last modified Oct 22, 2026

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.

Metrics

CVSS 4.0 5.9/10CVSS: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

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 21, 2026
Last modified
Oct 22, 2026
NVD status
Deferred

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CVE-2026-89052: Medium severity, CVSS 5.9 | Vulnix