{"schemaVersion":3,"id":"CVE-2020-14140","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"When Xiaomi router firmware is updated in 2020, there is an unauthenticated API that can reveal WIFI password vulnerability. This vulnerability is caused by the lack of access control policies on some API interfaces. Attackers can exploit this vulnerability to enter the background and execute background command injection.","dates":{"published":"2023-03-29T00:00:00.000Z","modified":"2025-02-18T17:10:37.810Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00993,"percentile":0.62015,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00993},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00993,"percentile":0.62015}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00993,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00993,"percentile":0.62015}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-306","name":"Missing Authentication for Critical Function","description":"The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/306.html"}],"affected":[{"vendor":"mi","product":"xiaomi_router_firmware","name":"xiaomi router firmware","label":"xiaomi_router_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≥ 2020, < 2023.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2020, < 2023.2","eol":null,"hubHref":"/vendor/mi/xiaomi_router"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=506","label":"trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=506","hostname":"trust.mi.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2023-03-29T00:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2025-02-18T17:10:37.810Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":30,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T07:42:33.100Z","stale":false,"partial":false}}