{"id":"CVE-2017-18739","aliases":["EUVD-2017-9830","GHSA-vhvp-crrw-vcp3"],"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 R6220 before V1.1.0.50, R7800 before V1.0.2.36, WNDR3400v3 before 1.0.1.14, and WNDR3700v5 before V1.1.0.48.","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":0.00565,"percentile":0.47286,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2020-04-23T16:02:08Z","modified":"2026-06-17T01:13:27Z","products":[{"vendor":"netgear","product":"r6220_firmware"},{"vendor":"netgear","product":"r7800_firmware"},{"vendor":"netgear","product":"wndr3400_firmware"},{"vendor":"netgear","product":"wndr3700_firmware"}],"references":[{"url":"https://kb.netgear.com/000051516/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2017-0670","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-18739"},{"url":"https://github.com/advisories/GHSA-vhvp-crrw-vcp3"}],"sources":{"cve":[{"id":"CVE-2017-18739","description":"Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects R6220 before V1.1.0.50, R7800 before V1.0.2.36, WNDR3400v3 before 1.0.1.14, and WNDR3700v5 before V1.1.0.48.","status":"published","published":"2020-04-23T16:02:08Z","modified":"2024-08-05T21:37:44.104Z","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":"2026-11-02T14:33:21.747294Z"}],"euvd":[{"id":"EUVD-2017-9830","description":"Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects R6220 before V1.1.0.50, R7800 before V1.0.2.36, WNDR3400v3 before 1.0.1.14, and WNDR3700v5 before V1.1.0.48.","status":"published","published":"2020-04-23T16:02:08Z","modified":"2024-08-05T21:37:44Z","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":"2026-11-03T02:23:05.158876Z"}],"ghsa":[{"id":"GHSA-vhvp-crrw-vcp3","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 R6220 before V1.1.0.50, R7800 before V1.0.2.36, WNDR3400v3 before 1.0.1.14, and WNDR3700v5 before V1.1.0.48.","status":"published","published":"2022-05-24T17:16:12Z","modified":"2023-01-29T05:02:19Z","updated_at":"2026-11-02T14:45:03.465346Z"}],"nvd":[{"id":"CVE-2017-18739","description":"Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects R6220 before V1.1.0.50, R7800 before V1.0.2.36, WNDR3400v3 before 1.0.1.14, and WNDR3700v5 before V1.1.0.48.","status":"published","published":"2020-04-23T17:15:12.613Z","modified":"2026-06-17T01:13:27.49Z","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":"2026-11-02T14:04:21.160774Z"}]}}