CVE-2026-12001

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.

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/