Vulnerability 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.
Related Weaknesses (CWE)
References
- https://www.tp-link.com/en/support/download/archer-c20/v6/#Firmware
- https://www.tp-link.com/en/support/download/archer-mr200/v5/#Firmware
- https://www.tp-link.com/en/support/download/tl-wr845n/#Firmware
- https://www.tp-link.com/in/support/download/archer-c20/v6/#Firmware
- https://www.tp-link.com/in/support/download/archer-mr200/v5/#Firmware
- https://www.tp-link.com/in/support/download/tl-wr845n/#Firmware
- https://www.tp-link.com/in/support/download/tl-wr850n/#Firmware
- https://www.tp-link.com/us/support/download/archer-c20/v6/#Firmware
- https://www.tp-link.com/us/support/faq/5210/
FAQ
What is CVE-2026-12001?
CVE-2026-12001 is a documented vulnerability. 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 em...
How severe is CVE-2026-12001?
CVSS scoring is not yet available for CVE-2026-12001. Check NVD for updates.
Is there a patch for CVE-2026-12001?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.