A hardcoded credential
vulnerability exists in the firmware of multiple TP-Link routers (TL-WR845N v4, TL-WR850N v3, 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.

Project Subscriptions

Vendors Products
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Archer C20 V6 Subscribe
Archer Mr200 V5 Subscribe
Tl-wr845n V4 Subscribe
Tl-wr850n V3 Subscribe
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 28 Jul 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Tp-link
Tp-link archer C20 V6
Tp-link archer Mr200 V5
Tp-link tl-wr845n V4
Tp-link tl-wr850n V3
Vendors & Products Tp-link
Tp-link archer C20 V6
Tp-link archer Mr200 V5
Tp-link tl-wr845n V4
Tp-link tl-wr850n V3

Tue, 28 Jul 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 27 Jul 2026 20:30:00 +0000

Type Values Removed Values Added
Description A hardcoded credential vulnerability exists in the firmware of multiple TP-Link routers (TL-WR845N v4, TL-WR850N v3, 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.
Title Hardcoded Credential Vulnerability in Multiple TP-Link Router Models
Weaknesses CWE-798
References
Metrics cvssV4_0

{'score': 5.2, 'vector': 'CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: TPLink

Published:

Updated: 2026-07-28T20:49:43.134Z

Reserved: 2026-06-11T16:23:35.413Z

Link: CVE-2026-12001

cve-icon Vulnrichment

Updated: 2026-07-28T15:09:08.419Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-28T20:35:56Z

Weaknesses