{"id":"CVE-2021-45623","aliases":["EUVD-2021-32389","GHSA-7vrx-cj52-fjp6"],"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 R7800 before 1.0.2.74, R9000 before 1.0.5.2, and XR500 before 2.3.2.66.","severity":{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AC:L/AV:A/A:L/C:H/I:H/PR:N/S:U/UI:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01687,"percentile":0.7736,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77"],"published":"2021-12-26T00:34:31Z","modified":"2026-06-17T04:13:48Z","products":[{"vendor":"netgear","product":"r7800_firmware"},{"vendor":"netgear","product":"r9000_firmware"},{"vendor":"netgear","product":"xr500_firmware"}],"references":[{"url":"https://kb.netgear.com/000064449/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-PSV-2019-0203","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45623"},{"url":"https://github.com/advisories/GHSA-7vrx-cj52-fjp6"}],"sources":{"cve":[{"id":"CVE-2021-45623","description":"Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects R7800 before 1.0.2.74, R9000 before 1.0.5.2, and XR500 before 2.3.2.66.","status":"published","published":"2021-12-26T00:34:31Z","modified":"2024-08-04T04:47:01.865Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AC:L/AV:A/A:L/C:H/I:H/PR:N/S:U/UI:N","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:02.580561Z"}],"euvd":[{"id":"EUVD-2021-32389","description":"Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects R7800 before 1.0.2.74, R9000 before 1.0.5.2, and XR500 before 2.3.2.66.","status":"published","published":"2021-12-26T00:34:31Z","modified":"2024-08-04T04:47:01Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AC:L/AV:A/A:L/C:H/I:H/PR:N/S:U/UI:N","level":"high"}],"updated_at":"2026-11-03T03:08:26.364792Z"}],"ghsa":[{"id":"GHSA-7vrx-cj52-fjp6","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 R7800 before 1.0.2.74, R9000 before 1.0.5.2, and XR500 before 2.3.2.66.","status":"published","published":"2021-12-27T00:00:48Z","modified":"2023-02-03T05:03:33Z","cwes":["CWE-77"],"updated_at":"2026-11-02T14:53:22.687695Z"}],"nvd":[{"id":"CVE-2021-45623","description":"Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects R7800 before 1.0.2.74, R9000 before 1.0.5.2, and XR500 before 2.3.2.66.","status":"published","published":"2021-12-26T01:15:18.87Z","modified":"2026-06-17T04:13:48.087Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"high","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"}]}}