{"id":"CVE-2021-45757","title":"ASUS AC68U <=3.0.0.4.385.20852 is affected by a buffer overflow in blocking.cgi, which may cause a denial of service (DoS).","summary":"ASUS AC68U <=3.0.0.4.385.20852 is affected by a buffer overflow in blocking.cgi, which may cause a denial of service (DoS).","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-120"],"vendor":"asus","product":"rt-ac68u_firmware","affected":["rt-ac68u_firmware <= 3.0.0.4.385.20852"],"published":"2022-03-23","updated":"2026-07-05","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-45757","references":[{"url":"https://github.com/IBUILI/Asus","label":"cve@mitre.org"},{"url":"http://ac68u.com","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://asus.com","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/IBUILI/Asus","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.01082,"epssPercentile":0.63722,"ingestedAt":"2026-07-06T02:09:23.442Z","slug":"CVE-2021-45757","body":"## Overview\n\nASUS AC68U <=3.0.0.4.385.20852 is affected by a buffer overflow in blocking.cgi, which may cause a denial of service (DoS).\n\n## Affected\n\n- `rt-ac68u_firmware <= 3.0.0.4.385.20852`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}