{"id":"CVE-2021-45504","aliases":["EUVD-2021-32270","GHSA-25g7-4hx6-524h"],"status":"published","title":"Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24...","description":"Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBR852 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":"2026-11-09","score":0.01181,"percentile":0.67935,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2021-12-26T01:02:41Z","modified":"2026-06-17T04:13:31Z","products":[{"vendor":"netgear","product":"cbr40_firmware"},{"vendor":"netgear","product":"cbr750_firmware"},{"vendor":"netgear","product":"rbr850_firmware"},{"vendor":"netgear","product":"rbr852_firmware"},{"vendor":"netgear","product":"rbs850_firmware"}],"references":[{"url":"https://kb.netgear.com/000064128/Security-Advisory-for-Authentication-Bypass-on-Some-WiFi-Systems-PSV-2020-0475","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45504"},{"url":"https://github.com/advisories/GHSA-25g7-4hx6-524h"}],"sources":{"cve":[{"id":"CVE-2021-45504","description":"Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBR852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.","status":"published","published":"2021-12-26T01:02:41Z","modified":"2024-08-04T04:39:21.195Z","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":"2026-11-02T14:33:02.20241Z"}],"euvd":[{"id":"EUVD-2021-32270","description":"Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBR852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.","status":"published","published":"2021-12-26T01:02:41Z","modified":"2024-08-04T04:39:21Z","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":"2026-11-03T03:08:26.917555Z"}],"ghsa":[{"id":"GHSA-25g7-4hx6-524h","title":"Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24...","description":"Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBR852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.","status":"published","published":"2021-12-27T00:01:44Z","modified":"2023-01-27T05:01:29Z","cvss":[{"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"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:41:54.261914Z"}],"nvd":[{"id":"CVE-2021-45504","description":"Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBR852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.","status":"published","published":"2021-12-26T01:15:13.083Z","modified":"2026-06-17T04:13:31.613Z","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"}],"updated_at":"2026-11-02T14:07:02.977492Z"}]}}