{"id":"CVE-2018-21131","aliases":["EUVD-2018-13649","GHSA-jc5f-m375-x98q"],"status":"published","title":"Certain NETGEAR devices are affected by unauthenticated firmware downgrade. This affects WAC505...","description":"Certain NETGEAR devices are affected by unauthenticated firmware downgrade. This affects WAC505 before 5.0.0.17 and WAC510 before 5.0.0.17.","severity":{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AC:L/AV:A/A:H/C:N/I:H/PR:N/S:U/UI:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01311,"percentile":0.70902,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-04-23T19:39:50Z","modified":"2026-06-17T01:54:11Z","products":[{"vendor":"netgear","product":"wac505_firmware"},{"vendor":"netgear","product":"wac510_firmware"}],"references":[{"url":"https://kb.netgear.com/000060244/Security-Advisory-for-Unauthenticated-Firmware-Downgrade-on-Some-Wireless-Access-Points-PSV-2018-0269","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-21131"},{"url":"https://github.com/advisories/GHSA-jc5f-m375-x98q"}],"sources":{"cve":[{"id":"CVE-2018-21131","description":"Certain NETGEAR devices are affected by unauthenticated firmware downgrade. This affects WAC505 before 5.0.0.17 and WAC510 before 5.0.0.17.","status":"published","published":"2020-04-23T19:39:50Z","modified":"2024-08-05T12:19:27.696Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AC:L/AV:A/A:H/C:N/I:H/PR:N/S:U/UI:N","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:02.289647Z"}],"euvd":[{"id":"EUVD-2018-13649","description":"Certain NETGEAR devices are affected by unauthenticated firmware downgrade. This affects WAC505 before 5.0.0.17 and WAC510 before 5.0.0.17.","status":"published","published":"2020-04-23T19:39:50Z","modified":"2024-08-05T12:19:27Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AC:L/AV:A/A:H/C:N/I:H/PR:N/S:U/UI:N","level":"high"}],"updated_at":"2026-11-03T02:39:28.311281Z"}],"ghsa":[{"id":"GHSA-jc5f-m375-x98q","title":"Certain NETGEAR devices are affected by unauthenticated firmware downgrade. This affects WAC505...","description":"Certain NETGEAR devices are affected by unauthenticated firmware downgrade. This affects WAC505 before 5.0.0.17 and WAC510 before 5.0.0.17.","status":"published","published":"2022-05-24T17:16:14Z","modified":"2023-01-29T05:02:19Z","updated_at":"2026-11-02T14:45:03.465346Z"}],"nvd":[{"id":"CVE-2018-21131","description":"Certain NETGEAR devices are affected by unauthenticated firmware downgrade. This affects WAC505 before 5.0.0.17 and WAC510 before 5.0.0.17.","status":"published","published":"2020-04-23T20:15:12.787Z","modified":"2026-06-17T01:54:11.93Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:00.03074Z"}]}}