{"id":"CVE-2026-12001","aliases":["EUVD-2026-49587","GHSA-884r-qm45-3j9g"],"status":"published","title":"Hardcoded Credential Vulnerability in Multiple TP-Link Router Models","description":"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 \u0026 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.","severity":{"version":"4.0","score":5.2,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00343,"percentile":0.2819,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-798"],"published":"2026-07-27T20:08:50Z","modified":"2026-08-11T21:33:29Z","products":[{"vendor":"tp link systems inc.","product":"tl-wr845n v4"},{"vendor":"tp link systems inc.","product":"tl-wr902ac v4"},{"vendor":"tp-link systems inc.","product":"archer c20 v6"},{"vendor":"tp-link systems inc.","product":"archer mr200 v5"},{"vendor":"tp-link systems inc.","product":"tl-wr850n v3"}],"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"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12001"},{"url":"https://www.tp-link.com/us/support/faq/5210"},{"url":"https://github.com/advisories/GHSA-884r-qm45-3j9g"}],"sources":{"cve":[{"id":"CVE-2026-12001","title":"Hardcoded Credential Vulnerability in Multiple TP-Link Router Models","description":"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 \u0026 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.","status":"published","published":"2026-07-27T20:08:50.23Z","modified":"2026-08-11T21:03:54.866Z","cvss":[{"version":"4.0","score":5.2,"vector":"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","level":"medium","assessor":"cna"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:19:48.461833Z"}],"euvd":[{"id":"EUVD-2026-49587","description":"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 \u0026 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.","status":"published","published":"2026-07-27T20:08:50Z","modified":"2026-08-11T21:03:54Z","cvss":[{"version":"4.0","score":5.2,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T18:01:59.11112Z"}],"ghsa":[{"id":"GHSA-884r-qm45-3j9g","title":"A hardcoded credential\nvulnerability exists in the firmware of multiple TP-Link routers (TL...","description":"A hardcoded credential\nvulnerability exists in the firmware of multiple TP-Link routers (TL-WR845N v4, TL-WR850N v3, Archer C20 v6 \u0026 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.","status":"published","published":"2026-07-27T21:31:23Z","modified":"2026-08-11T21:33:29Z","cvss":[{"version":"4.0","score":5.2,"vector":"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","level":"medium"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T15:10:22.198935Z"}],"nvd":[{"id":"CVE-2026-12001","description":"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 \u0026 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.","status":"published","published":"2026-07-27T21:16:47.457Z","modified":"2026-08-11T21:17:25.127Z","cvss":[{"version":"4.0","score":5.2,"vector":"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","level":"medium","assessor":"secondary"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:12:33.249634Z"}]}}