CVE-2026-12001 Hardcoded Credential Vulnerability in Multiple TP-Link Router Models

Medium 5.2 Published Updated

Hardcoded credentials in TP-Link router firmware allow attackers to gain unauthorized access to privileged functions on affected devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-12001?

CVE-2026-12001 is a medium-severity vulnerability in TP Link Systems Inc. Archer C20 v6, published on 27 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A hardcoded credential vulnerability exists in the firmware of multiple TP-Link routers (TL-WR845N v4, TL-WR850N v3, TL-WR902AC v4, Archer C20 v6 & Archer MR200 v5).  Authentication-related credential material is embedded within a password file in the firmware image and may be recovered through firmware analysis.

Successful exploitation could result in unauthorized access to privileged functions on affected devices.

Weakness: CWE-798

Which versions are affected by CVE-2026-12001?

How do I fix CVE-2026-12001?

No fix has been published for CVE-2026-12001 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-12001 being exploited?

There is no known exploitation of CVE-2026-12001 in the wild and no public exploit code.

Sources

Also known as GHSA-884r-qm45-3j9g.

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