{"id":"CVE-2025-0890","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-0890","generatedAt":"2026-11-04T20:45:36.071Z","title":"**UNSUPPORTED WHEN ASSIGNED** Insecure 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…","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.","published":"2025-02-04T11:15:09.000Z","lastModified":"2026-06-17T08:27:20.000Z","status":"Analyzed","sourceIdentifier":"security@zyxel.com.tw","cvss":{"version":"3.1","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"},"cwe":["CWE-287","CWE-522"],"affected":["zyxel/vmg4325-b10a firmware","zyxel/sbg3500-n000 firmware","zyxel/vmg1312-b10a firmware","zyxel/vmg1312-b10b firmware","zyxel/vmg1312-b10e firmware","zyxel/vmg3312-b10a firmware","zyxel/vmg3313-b10a firmware","zyxel/vmg3926-b10b firmware","zyxel/vmg4380-b10a firmware","zyxel/vmg8324-b10a firmware","zyxel/vmg8924-b10a firmware","zyxel/sbg3300-n000 firmware","zyxel/sbg3300-nb00 firmware","zyxel/sbg3500-nb00 firmware"],"epss":{"score":0.14379,"percentile":0.96623,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 14.4%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"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","tags":["Vendor Advisory"],"source":"security@zyxel.com.tw"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-0890","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}