{"id":"CVE-2021-3229","aliases":["EUVD-2021-26568","GHSA-rf52-3f4q-fcfq"],"status":"published","title":"Denial of service in ASUSWRT ASUS RT-AX3000 firmware versions 3.0.0.4.384_10177 and earlier...","description":"Denial of service in ASUSWRT ASUS RT-AX3000 firmware versions 3.0.0.4.384_10177 and earlier versions allows an attacker to disrupt the use of device setup services via continuous login error.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02742,"percentile":0.86275,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-02-05T21:36:48Z","modified":"2026-06-17T04:04:50Z","products":[{"vendor":"asus","product":"rt-ax3000_firmware"}],"references":[{"url":"https://www.asus.com/us/ASUSWRT/","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://dlcdnimgs.asus.com/websites/global/productcustomizedTab/562/ASUSWRT%20portal%20feature.pdf","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://github.com/fullbbadda1208/CVE-2021-3229","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3229"},{"url":"https://github.com/fullbbadda1208/ASUSWRT-Denial_of_Service/blob/master/Vulnerability%20Report.md"},{"url":"https://github.com/advisories/GHSA-rf52-3f4q-fcfq"}],"sources":{"cve":[{"id":"CVE-2021-3229","description":"Denial of service in ASUSWRT ASUS RT-AX3000 firmware versions 3.0.0.4.384_10177 and earlier versions allows an attacker to disrupt the use of device setup services via continuous login error.","status":"published","published":"2021-02-05T21:36:48Z","modified":"2024-08-03T16:53:17.534Z","updated_at":"2026-11-02T14:33:03.671751Z"}],"euvd":[{"id":"EUVD-2021-26568","description":"Denial of service in ASUSWRT ASUS RT-AX3000 firmware versions 3.0.0.4.384_10177 and earlier versions allows an attacker to disrupt the use of device setup services via continuous login error.","status":"published","published":"2021-02-05T21:36:48Z","modified":"2024-08-03T16:53:17Z","updated_at":"2026-11-03T03:25:13.531128Z"}],"ghsa":[{"id":"GHSA-rf52-3f4q-fcfq","title":"Denial of service in ASUSWRT ASUS RT-AX3000 firmware versions 3.0.0.4.384_10177 and earlier...","description":"Denial of service in ASUSWRT ASUS RT-AX3000 firmware versions 3.0.0.4.384_10177 and earlier versions allows an attacker to disrupt the use of device setup services via continuous login error.","status":"published","published":"2022-05-24T17:41:13Z","modified":"2023-01-29T05:05:15Z","updated_at":"2026-11-02T14:45:44.97547Z"}],"nvd":[{"id":"CVE-2021-3229","description":"Denial of service in ASUSWRT ASUS RT-AX3000 firmware versions 3.0.0.4.384_10177 and earlier versions allows an attacker to disrupt the use of device setup services via continuous login error.","status":"published","published":"2021-02-05T22:15:13.83Z","modified":"2026-06-17T04:04:50.707Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:49.660551Z"}]}}