{"id":"CVE-2021-38523","aliases":["EUVD-2021-24973","GHSA-jqvr-33gh-5xm9"],"status":"published","title":"NETGEAR R6400 devices before 1.0.1.70 are affected by a stack-based buffer overflow by an...","description":"NETGEAR R6400 devices before 1.0.1.70 are affected by a stack-based buffer overflow by an authenticated user.","severity":{"version":"3.1","score":6.9,"vector":"CVSS:3.1/AC:L/AV:A/A:H/C:N/I:L/PR:H/S:C/UI:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00805,"percentile":0.57083,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-08-11T00:01:56Z","modified":"2026-06-17T04:02:17Z","products":[{"vendor":"netgear","product":"r6400_firmware"}],"references":[{"url":"https://kb.netgear.com/000063771/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-R6400-PSV-2019-0166","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38523"},{"url":"https://github.com/advisories/GHSA-jqvr-33gh-5xm9"}],"sources":{"cve":[{"id":"CVE-2021-38523","description":"NETGEAR R6400 devices before 1.0.1.70 are affected by a stack-based buffer overflow by an authenticated user.","status":"published","published":"2021-08-11T00:01:56Z","modified":"2024-08-04T01:44:22.932Z","cvss":[{"version":"3.1","score":6.9,"vector":"CVSS:3.1/AC:L/AV:A/A:H/C:N/I:L/PR:H/S:C/UI:N","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-24973","description":"NETGEAR R6400 devices before 1.0.1.70 are affected by a stack-based buffer overflow by an authenticated user.","status":"published","published":"2021-08-11T00:01:56Z","modified":"2024-08-04T01:44:22Z","cvss":[{"version":"3.1","score":6.9,"vector":"CVSS:3.1/AC:L/AV:A/A:H/C:N/I:L/PR:H/S:C/UI:N","level":"medium"}],"updated_at":"2026-11-03T03:24:24.781045Z"}],"ghsa":[{"id":"GHSA-jqvr-33gh-5xm9","title":"NETGEAR R6400 devices before 1.0.1.70 are affected by a stack-based buffer overflow by an...","description":"NETGEAR R6400 devices before 1.0.1.70 are affected by a stack-based buffer overflow by an authenticated user.","status":"published","published":"2022-05-24T19:10:46Z","modified":"2023-01-30T05:01:28Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:25.069065Z"}],"nvd":[{"id":"CVE-2021-38523","description":"NETGEAR R6400 devices before 1.0.1.70 are affected by a stack-based buffer overflow by an authenticated user.","status":"published","published":"2021-08-11T00:15:59.743Z","modified":"2026-06-17T04:02:17.27Z","cvss":[{"version":"3.1","score":6.9,"vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:56.943671Z"}]}}