{"schemaVersion":3,"id":"CVE-2025-0890","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"**UNSUPPORTED WHEN ASSIGNED**\nInsecure default credentials for the Telnet function in the legacy DSL CPE Zyxel VMG4325-B10A firmware version 1.00(AAFR.4)C0_20170615 could allow an attacker to log in to the management interface if the administrators have the option to change the default credentials but fail to do so.","dates":{"published":"2025-02-04T10:06:56.163Z","modified":"2025-02-12T20:51:26.709Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","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:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.13648,"percentile":0.96456,"severity":"medium","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0.10799999999999976,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.1354},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.13648,"percentile":0.96456}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.1354,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.13648,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.13648,"percentile":0.96456}]},"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-287","name":"Improper Authentication","description":"When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/287.html"},{"id":"CWE-522","name":"Insufficiently Protected Credentials","description":"The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.","type":"weakness","status":"Incomplete","abstraction":"Class","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/522.html"}],"affected":[{"vendor":"zyxel","product":"sbg3300-n000_firmware","name":"sbg3300-n000 firmware","label":"sbg3300-n000_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/zyxel/sbg3300-n000"},{"vendor":"zyxel","product":"sbg3300-nb00_firmware","name":"sbg3300-nb00 firmware","label":"sbg3300-nb00_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/zyxel/sbg3300-nb00"},{"vendor":"zyxel","product":"sbg3500-n000_firmware","name":"sbg3500-n000 firmware","label":"sbg3500-n000_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/zyxel/sbg3500-n000"},{"vendor":"zyxel","product":"sbg3500-nb00_firmware","name":"sbg3500-nb00 firmware","label":"sbg3500-nb00_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/zyxel/sbg3500-nb00"},{"vendor":"zyxel","product":"vmg1312-b10a_firmware","name":"vmg1312-b10a firmware","label":"vmg1312-b10a_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/zyxel/vmg1312-b10a"},{"vendor":"zyxel","product":"vmg1312-b10b_firmware","name":"vmg1312-b10b firmware","label":"vmg1312-b10b_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/zyxel/vmg1312-b10b"},{"vendor":"zyxel","product":"vmg1312-b10e_firmware","name":"vmg1312-b10e firmware","label":"vmg1312-b10e_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/zyxel/vmg1312-b10e"},{"vendor":"zyxel","product":"vmg3312-b10a_firmware","name":"vmg3312-b10a firmware","label":"vmg3312-b10a_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/zyxel/vmg3312-b10a"},{"vendor":"zyxel","product":"vmg3313-b10a_firmware","name":"vmg3313-b10a firmware","label":"vmg3313-b10a_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/zyxel/vmg3313-b10a"},{"vendor":"zyxel","product":"vmg3926-b10b_firmware","name":"vmg3926-b10b firmware","label":"vmg3926-b10b_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/zyxel/vmg3926-b10b"},{"vendor":"zyxel","product":"vmg4325-b10a_firmware","name":"vmg4325-b10a firmware","label":"vmg4325-b10a_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/zyxel/vmg4325-b10a"},{"vendor":"zyxel","product":"vmg4325-b10a firmware","name":"VMG4325-B10A firmware","label":"vmg4325-b10a firmware","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 1.00(AAFR.4)C0_20170615","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 1.00(AAFR.4)C0_20170615","eol":null,"hubHref":"/vendor/zyxel/vmg4325-b10a_firmware"},{"vendor":"zyxel","product":"vmg4380-b10a_firmware","name":"vmg4380-b10a firmware","label":"vmg4380-b10a_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/zyxel/vmg4380-b10a"},{"vendor":"zyxel","product":"vmg8324-b10a_firmware","name":"vmg8324-b10a firmware","label":"vmg8324-b10a_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/zyxel/vmg8324-b10a"},{"vendor":"zyxel","product":"vmg8924-b10a_firmware","name":"vmg8924-b10a firmware","label":"vmg8924-b10a_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/zyxel/vmg8924-b10a"}],"affectedCount":15,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-insecure-default-credentials-vulnerabilities-in-certain-legacy-dsl-cpe-02-04-2025","label":"www.zyxel.com/global/…","hostname":"www.zyxel.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2025-02-04T10:06:56.163Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2025-02-12T20:51:26.709Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T15:19:08.625Z","stale":false,"partial":false}}