CVE-2026-12001: medium-severity vulnerability in TP Link Systems Inc. TL-WR845N v4
Hardcoded Credential Vulnerability in Multiple TP-Link Router Models
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.2epss 0.3%
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:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
TP Link Systems Inc. · TL-WR845N v4TP Link Systems Inc. · TL-WR902AC v4TP-Link Systems Inc. · Archer C20 v6TP-Link Systems Inc. · Archer MR200 v5TP-Link Systems Inc. · TL-WR850N v3Related CVEs — TP Link Systems Inc. TL-WR845N v4
In the same product, most dangerous first.
CVE-2026-75616HIGHCommand Injection in Router Web Management InterfaceEPSS 2.8%CVE-2026-11834HIGHUnauthenticated Command Injection via DHCP Option Handling in Multiple TP-Link RoutersEPSS 0.7%CVE-2025-15551MEDIUMLAN Code Execution on TP-Link Archer MR200, Archer C20, TL-WR850N and TL-WR845NEPSS 0.4%
References
https://www.tp-link.com/en/support/download/archer-c20/v6/#Firmwarehttps://www.tp-link.com/en/support/download/archer-mr200/v5/#Firmwarehttps://www.tp-link.com/en/support/download/tl-wr845n/#Firmwarehttps://www.tp-link.com/en/support/download/tl-wr902ac/v4/#Firmwarehttps://www.tp-link.com/in/support/download/archer-c20/v6/#Firmwarehttps://www.tp-link.com/in/support/download/archer-mr200/v5/#Firmwarehttps://www.tp-link.com/in/support/download/tl-wr845n/#Firmwarehttps://www.tp-link.com/in/support/download/tl-wr850n/#Firmwarehttps://www.tp-link.com/us/support/download/archer-c20/v6/#Firmwarehttps://www.tp-link.com/us/support/download/tl-wr902ac/v4/#Firmwarehttps://www.tp-link.com/us/support/faq/5210/