CVE-2026-12001
5.2
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
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| TP-Link Systems Inc. | TL-WR850N v3 | 0 < TL-WR850N(IN)_V3.48_3.16.0 Build 260422_2048 | affected |
| TP-Link Systems Inc. | Archer C20 v6 | 0 < Archer C20(US)_V6_250630 | affected |
| TP Link Systems Inc. | TL-WR845N v4 | 0 < TL-WR845N(UN)_V4_250401 | affected |
| TP-Link Systems Inc. | Archer MR200 v5 | 0 < Archer MR200(EU)_V5.20_1.3.0 Build 260319 | affected |
Weaknesses
- CWE-798: CWE-798 Use of Hard-coded Credentials
References
- https://www.tp-link.com/en/support/download/archer-mr200/v5/#Firmware
- https://www.tp-link.com/in/support/download/archer-mr200/v5/#Firmware
- https://www.tp-link.com/en/support/download/archer-c20/v6/#Firmware
- https://www.tp-link.com/us/support/download/archer-c20/v6/#Firmware
- https://www.tp-link.com/in/support/download/archer-c20/v6/#Firmware
- https://www.tp-link.com/en/support/download/tl-wr845n/#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/faq/5210/
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