{"id":"CVE-2026-12489","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-12489","generatedAt":"2026-10-28T01:51:28.852Z","title":"An incorrect authorization vulnerability in the Data Access Layer (DAL) of Zyxel EX3501-T0 firmware versions through 5.44(ACHR.6)C0 could allow an authenticated attacker to escalate privileges by modifying the login_privilege data on an affected device.","description":"An incorrect authorization vulnerability in the Data Access Layer (DAL) of Zyxel EX3501-T0 firmware versions through 5.44(ACHR.6)C0 could allow an authenticated attacker to escalate privileges by modifying the login_privilege data on an affected device.","published":"2026-10-20T03:17:15.000Z","lastModified":"2026-10-21T04:18:10.000Z","status":"Deferred","sourceIdentifier":"security@zyxel.com.tw","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-863"],"affected":[],"epss":{"score":0.0029,"percentile":0.21387,"date":"2026-10-26","history":[{"date":"2026-10-20","score":0.00201,"percentile":0.09368}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.29%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-20T03:17:15.000Z","detail":{"score":"6.5","severity":"MEDIUM","publishedAt":"2026-10-20T03:17:15.077Z"},"summary":"New CVE, medium severity (CVSS 6.5)."}],"references":[{"url":"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-incorrect-authorization-vulnerability-in-the-dal-of-certain-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-and-wireless-extenders-10-20-2026","source":"security@zyxel.com.tw"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-12489","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."}