{"id":"CVE-2018-21221","aliases":["EUVD-2018-13739","GHSA-9fgp-r4v4-wwg9"],"status":"published","title":"Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This...","description":"Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, and R9000 before 1.0.2.52.","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":"2026-11-09","score":0.00754,"percentile":0.55381,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2020-04-28T16:23:33Z","modified":"2026-06-17T01:54:24Z","products":[{"vendor":"netgear","product":"d3600_firmware"},{"vendor":"netgear","product":"d6000_firmware"},{"vendor":"netgear","product":"r9000_firmware"}],"references":[{"url":"https://kb.netgear.com/000055116/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2459","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-21221"},{"url":"https://github.com/advisories/GHSA-9fgp-r4v4-wwg9"}],"sources":{"cve":[{"id":"CVE-2018-21221","description":"Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, and R9000 before 1.0.2.52.","status":"published","published":"2020-04-28T16:23:33Z","modified":"2024-08-05T12:26:39.357Z","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-2018-13739","description":"Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, and R9000 before 1.0.2.52.","status":"published","published":"2020-04-28T16:23:33Z","modified":"2024-08-05T12:26:39Z","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":"2026-11-03T02:39:27.875919Z"}],"ghsa":[{"id":"GHSA-9fgp-r4v4-wwg9","title":"Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This...","description":"Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, and R9000 before 1.0.2.52.","status":"published","published":"2022-05-24T17:16:44Z","modified":"2023-01-29T05:02:22Z","updated_at":"2026-11-02T14:45:04.348172Z"}],"nvd":[{"id":"CVE-2018-21221","description":"Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, and R9000 before 1.0.2.52.","status":"published","published":"2020-04-28T17:15:12.867Z","modified":"2026-06-17T01:54:24.337Z","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-120"],"updated_at":"2026-11-02T14:05:00.03074Z"}]}}