{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-12001","assignerOrgId":"f23511db-6c3e-4e32-a477-6aa17d310630","state":"PUBLISHED","assignerShortName":"TPLink","dateReserved":"2026-06-11T16:23:35.413Z","datePublished":"2026-07-27T20:08:50.230Z","dateUpdated":"2026-08-11T21:03:54.866Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f23511db-6c3e-4e32-a477-6aa17d310630","shortName":"TPLink","dateUpdated":"2026-08-11T21:03:54.866Z"},"title":"Hardcoded Credential Vulnerability in Multiple TP-Link Router Models","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-798","description":"CWE-798 Use of Hard-coded Credentials","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-70","descriptions":[{"lang":"en","value":"CAPEC-70 Try Common or Default Usernames and Passwords"}]}],"affected":[{"vendor":"TP-Link Systems Inc.","product":"TL-WR850N v3","versions":[{"status":"affected","version":"0","lessThan":"TL-WR850N(IN)_V3.48_3.16.0 Build 260422_2048","versionType":"custom"}],"defaultStatus":"unaffected"},{"vendor":"TP-Link Systems Inc.","product":"Archer C20 v6","versions":[{"status":"affected","version":"0","lessThan":"Archer C20(US)_V6_250630","versionType":"custom"}],"defaultStatus":"unaffected"},{"vendor":"TP Link Systems Inc.","product":"TL-WR845N v4","versions":[{"status":"affected","version":"0","lessThan":"TL-WR845N(UN)_V4_250401","versionType":"custom"}],"defaultStatus":"unaffected"},{"vendor":"TP-Link Systems Inc.","product":"Archer MR200 v5","versions":[{"status":"affected","version":"0","lessThan":"EU_V5.20_1.3.0 Build 260319","versionType":"custom"}],"defaultStatus":"unaffected"},{"vendor":"TP Link Systems Inc.","product":"TL-WR902AC v4","versions":[{"status":"affected","version":"0","lessThan":"US_V4_0.9.1 Build 260810","versionType":"custom"},{"status":"affected","version":"0","lessThan":"EU_V4_0.9.3 Build 260728","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"A hardcoded credential\nvulnerability 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\nembedded within a password file in the firmware image and may be recovered\nthrough firmware analysis.\n\n\n\n\n\nSuccessful\nexploitation could result in unauthorized access to privileged functions on\naffected devices.","supportingMedia":[{"type":"text/html","base64":false,"value":"

A hardcoded credential\nvulnerability 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\nembedded within a password file in the firmware image and may be recovered\nthrough firmware analysis.

\n\n

Successful\nexploitation could result in unauthorized access to privileged functions on\naffected devices.

"}]}],"references":[{"url":"https://www.tp-link.com/en/support/download/archer-mr200/v5/#Firmware","tags":["patch"]},{"url":"https://www.tp-link.com/in/support/download/archer-mr200/v5/#Firmware","tags":["patch"]},{"url":"https://www.tp-link.com/en/support/download/archer-c20/v6/#Firmware","tags":["patch"]},{"url":"https://www.tp-link.com/us/support/download/archer-c20/v6/#Firmware","tags":["patch"]},{"url":"https://www.tp-link.com/in/support/download/archer-c20/v6/#Firmware","tags":["patch"]},{"url":"https://www.tp-link.com/en/support/download/tl-wr845n/#Firmware","tags":["patch"]},{"url":"https://www.tp-link.com/in/support/download/tl-wr845n/#Firmware","tags":["patch"]},{"url":"https://www.tp-link.com/in/support/download/tl-wr850n/#Firmware","tags":["patch"]},{"url":"https://www.tp-link.com/us/support/faq/5210/","tags":["vendor-advisory"]},{"url":"https://www.tp-link.com/us/support/download/tl-wr902ac/v4/#Firmware","tags":["patch"]},{"url":"https://www.tp-link.com/en/support/download/tl-wr902ac/v4/#Firmware","tags":["patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"PHYSICAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.2,"vectorString":"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"}}],"credits":[{"lang":"en","value":"Carlos Trujillo","type":"finder"},{"lang":"en","value":"Swaroop Dora, Akash Singh, Parth Chaurasia, Devel Lunkad, Ashutosh Kumar and S.Venkatesan , IoT Security Lab, Indian Institute of Information Technology, Allahabad","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-28T15:09:04.473247Z","id":"CVE-2026-12001","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-28T15:20:07.339Z"}}]}}