{"cvss":0.0,"datePublished":"2026-01-20T00:00:00Z","dateUpdated":"2026-01-20T00:00:00Z","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.","dueDate":"","id":"CVE-2025-0890","kev_catalogs":["vulncheck"],"knownRansomwareCampaignUse":"Unknown","product":"vmg4325-b10a_firmware","requiredAction":"Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.","severity":"HIGH","source":"vulncheck_kev","title":"Zyxel vmg4325-b10a_firmware Improper Authentication","vendor":"Zyxel"}