CVE-2026-12001
TP-Link · published 2026-07-27
Source record Collected from the National Vulnerability Database (NVD)
Description
Description by TPLink via the CVE Program.
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.
Status at the source
- NVD status: Deferred — NVD has not analysed this CVE.
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| TP-Link Systems Inc. | TL-WR850N v3 | 0 – before TL-WR850N(IN)_V3.48_3.16.0 Build 260422_2048: affected |
| TP-Link Systems Inc. | Archer C20 v6 | 0 – before Archer C20(US)_V6_250630: affected |
| TP Link Systems Inc. | TL-WR845N v4 | 0 – before TL-WR845N(UN)_V4_250401: affected |
| TP-Link Systems Inc. | Archer MR200 v5 | 0 – before EU_V5.20_1.3.0 Build 260319: affected |
| TP Link Systems Inc. | TL-WR902AC v4 | 0 – before US_V4_0.9.1 Build 260810: affected 0 – before EU_V4_0.9.3 Build 260728: affected |
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 4.0: 5.2 MEDIUM — as published by TPLink (Secondary)
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - SSVC — CISA's assessment (SSVC 2.0.3, CISA Coordinator): Exploitation: none · Automatable: no · Technical impact: partial
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
- 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/en/support/download/tl-wr902ac/v4/#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/download/tl-wr902ac/v4/#Firmware
- https://www.tp-link.com/us/support/faq/5210/
Source dates: published 2026-07-27, last changed 2026-08-11. DeSpy's copy of this version is dated 2026-09-28.
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