{"id":"CVE-2018-21121","aliases":["EUVD-2018-13639","GHSA-hx9r-wh6w-pp9p"],"status":"published","title":"Certain NETGEAR devices are affected by authentication bypass. This affects GS810EMX before 1.0.0...","description":"Certain NETGEAR devices are affected by authentication bypass. This affects GS810EMX before 1.0.0.5, XS512EM before 1.0.0.6, and XS724EM before 1.0.0.6.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.007,"percentile":0.53505,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2020-04-22T15:21:10Z","modified":"2026-06-17T01:54:10Z","products":[{"vendor":"netgear","product":"gs810emx_firmware"},{"vendor":"netgear","product":"xs512em_firmware"},{"vendor":"netgear","product":"xs724em_firmware"}],"references":[{"url":"https://kb.netgear.com/000060237/Security-Advisory-for-Authentication-Bypass-on-Some-Switches-PSV-2018-0219","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-21121"},{"url":"https://github.com/advisories/GHSA-hx9r-wh6w-pp9p"}],"sources":{"cve":[{"id":"CVE-2018-21121","description":"Certain NETGEAR devices are affected by authentication bypass. This affects GS810EMX before 1.0.0.5, XS512EM before 1.0.0.6, and XS724EM before 1.0.0.6.","status":"published","published":"2020-04-22T15:21:10Z","modified":"2024-08-05T12:19:27.624Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:02.289647Z"}],"euvd":[{"id":"EUVD-2018-13639","description":"Certain NETGEAR devices are affected by authentication bypass. This affects GS810EMX before 1.0.0.5, XS512EM before 1.0.0.6, and XS724EM before 1.0.0.6.","status":"published","published":"2020-04-22T15:21:10Z","modified":"2024-08-05T12:19:27Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N","level":"high"}],"updated_at":"2026-11-03T02:39:28.311281Z"}],"ghsa":[{"id":"GHSA-hx9r-wh6w-pp9p","title":"Certain NETGEAR devices are affected by authentication bypass. This affects GS810EMX before 1.0.0...","description":"Certain NETGEAR devices are affected by authentication bypass. This affects GS810EMX before 1.0.0.5, XS512EM before 1.0.0.6, and XS724EM before 1.0.0.6.","status":"published","published":"2022-05-24T17:16:02Z","modified":"2023-01-29T05:02:18Z","updated_at":"2026-11-02T14:45:02.98103Z"}],"nvd":[{"id":"CVE-2018-21121","description":"Certain NETGEAR devices are affected by authentication bypass. This affects GS810EMX before 1.0.0.5, XS512EM before 1.0.0.6, and XS724EM before 1.0.0.6.","status":"published","published":"2020-04-22T16:15:12.247Z","modified":"2026-06-17T01:54:10.707Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":5.8,"vector":"AV:A/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:05:00.03074Z"}]}}