CVE-2026-12001

Hardcoded Credential Vulnerability in Multiple TP-Link Router Models

State
Published
Severity
5.2 Medium
Published
Jul 27, 2026
Updated
Aug 11, 2026
Reserved
Jun 11, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
4.05.2 MediumCVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:NTPLink

Weaknesses

  • CWE-798 Use of Hard-coded Credentials

Affected Products

ProductVersions
TL-WR850N v3TP-Link Systems Inc.
  • before TL-WR850N(IN)_V3.48_3.16.0 Build 260422_2048Affected
Archer C20 v6TP-Link Systems Inc.
  • before Archer C20(US)_V6_250630Affected
TL-WR845N v4TP Link Systems Inc.
  • before TL-WR845N(UN)_V4_250401Affected
Archer MR200 v5TP-Link Systems Inc.
  • before EU_V5.20_1.3.0 Build 260319Affected
TL-WR902AC v4TP Link Systems Inc.
  • before US_V4_0.9.1 Build 260810Affected
  • before EU_V4_0.9.3 Build 260728Affected

References

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