{"id":"CVE-2021-45627","aliases":["EUVD-2021-32393","GHSA-q9x8-2m25-33w4"],"status":"published","title":"Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This...","description":"Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR750 before 4.6.3.6, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.","severity":{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:C/UI:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01666,"percentile":0.77083,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77"],"published":"2021-12-26T00:33:49Z","modified":"2026-06-17T04:13:48Z","products":[{"vendor":"netgear","product":"cbr750_firmware"},{"vendor":"netgear","product":"rbk852_firmware"},{"vendor":"netgear","product":"rbr850_firmware"},{"vendor":"netgear","product":"rbs850_firmware"}],"references":[{"url":"https://kb.netgear.com/000064124/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0471","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45627"},{"url":"https://github.com/advisories/GHSA-q9x8-2m25-33w4"}],"sources":{"cve":[{"id":"CVE-2021-45627","description":"Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR750 before 4.6.3.6, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.","status":"published","published":"2021-12-26T00:33:49Z","modified":"2024-08-04T04:47:01.675Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:C/UI:N","level":"critical","assessor":"cna"}],"updated_at":"2026-11-02T14:33:02.580561Z"}],"euvd":[{"id":"EUVD-2021-32393","description":"Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR750 before 4.6.3.6, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.","status":"published","published":"2021-12-26T00:33:49Z","modified":"2024-08-04T04:47:01Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:C/UI:N","level":"critical"}],"updated_at":"2026-11-03T03:08:26.364792Z"}],"ghsa":[{"id":"GHSA-q9x8-2m25-33w4","title":"Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This...","description":"Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR750 before 4.6.3.6, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.","status":"published","published":"2021-12-27T00:00:44Z","modified":"2023-02-03T05:03:27Z","cwes":["CWE-77"],"updated_at":"2026-11-02T14:53:21.760979Z"}],"nvd":[{"id":"CVE-2021-45627","description":"Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR750 before 4.6.3.6, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.","status":"published","published":"2021-12-26T01:15:19.05Z","modified":"2026-06-17T04:13:48.73Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:07:02.977492Z"}]}}