{"id":"CVE-2021-45756","aliases":["EUVD-2021-32474","GHSA-h374-84hv-hj85"],"status":"published","title":"Asus RT-AC68U \u003c3.0.0.4.385.20633 and RT-AC5300 \u003c3.0.0.4.384.82072 are affected by a buffer...","description":"Asus RT-AC68U \u003c3.0.0.4.385.20633 and RT-AC5300 \u003c3.0.0.4.384.82072 are affected by a buffer overflow in blocking_request.cgi.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01243,"percentile":0.69454,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2022-03-23T10:49:10Z","modified":"2026-07-09T01:17:11Z","products":[{"vendor":"asus","product":"rt-ac5300_firmware"},{"vendor":"asus","product":"rt-ac68u_firmware"}],"references":[{"url":"https://github.com/IBUILI/Asus","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45756"},{"url":"http://asus.com"},{"url":"http://rt-ac68u.com"},{"url":"https://github.com/advisories/GHSA-h374-84hv-hj85"}],"sources":{"cve":[{"id":"CVE-2021-45756","description":"Asus RT-AC68U \u003c3.0.0.4.385.20633 and RT-AC5300 \u003c3.0.0.4.384.82072 are affected by a buffer overflow in blocking_request.cgi.","status":"published","published":"2022-03-23T10:49:10Z","modified":"2026-07-09T00:16:11.637Z","updated_at":"2026-11-02T14:33:02.580561Z"}],"euvd":[{"id":"EUVD-2021-32474","description":"Asus RT-AC68U \u003c3.0.0.4.385.20633 and RT-AC5300 \u003c3.0.0.4.384.82072 are affected by a buffer overflow in blocking_request.cgi.","status":"published","published":"2022-03-23T10:49:10Z","modified":"2026-07-09T00:16:11Z","updated_at":"2026-11-02T18:20:08.60883Z"}],"ghsa":[{"id":"GHSA-h374-84hv-hj85","title":"Asus RT-AC68U \u003c3.0.0.4.385.20633 and RT-AC5300 \u003c3.0.0.4.384.82072 are affected by a buffer...","description":"Asus RT-AC68U \u003c3.0.0.4.385.20633 and RT-AC5300 \u003c3.0.0.4.384.82072 are affected by a buffer overflow in blocking_request.cgi.","status":"published","published":"2022-03-24T00:00:22Z","modified":"2023-01-27T05:00:59Z","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-120"],"updated_at":"2026-11-02T14:41:47.408375Z"}],"nvd":[{"id":"CVE-2021-45756","description":"Asus RT-AC68U \u003c3.0.0.4.385.20633 and RT-AC5300 \u003c3.0.0.4.384.82072 are affected by a buffer overflow in blocking_request.cgi.","status":"published","published":"2022-03-23T11:15:08.087Z","modified":"2026-07-09T01:17:11.24Z","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","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-120"],"updated_at":"2026-11-02T14:07:05.581807Z"}]}}