CVE-2026-12001A 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).
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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.
- CVSS
- 5.2 MEDIUM (v4.0, NVD)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
- Weakness (CWE)
- CWE-798
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Deferred
- Record last updated
- Aug 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
No affected products are listed yet.
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/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/
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.