{"id":"CVE-2021-45742","aliases":["EUVD-2021-32460","GHSA-wcmw-p6qg-rm5r"],"status":"published","title":"TOTOLINK A720R v4.1.5cu.470_B20200911 was discovered to contain a command injection vulnerability...","description":"TOTOLINK A720R v4.1.5cu.470_B20200911 was discovered to contain a command injection vulnerability in the \"Main\" function. This vulnerability allows attackers to execute arbitrary commands via the QUERY_STRING parameter.","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":"2026-11-12","score":0.03069,"percentile":0.87825,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77"],"published":"2022-02-04T01:33:51Z","modified":"2026-06-17T04:14:02Z","products":[{"vendor":"totolink","product":"a720r_firmware"}],"references":[{"url":"https://github.com/pjqwudi/my_vuln/blob/main/totolink/vuln_3/3.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45742"},{"url":"https://github.com/advisories/GHSA-wcmw-p6qg-rm5r"}],"sources":{"cve":[{"id":"CVE-2021-45742","description":"TOTOLINK A720R v4.1.5cu.470_B20200911 was discovered to contain a command injection vulnerability in the \"Main\" function. This vulnerability allows attackers to execute arbitrary commands via the QUERY_STRING parameter.","status":"published","published":"2022-02-04T01:33:51Z","modified":"2024-08-04T04:47:02.257Z","updated_at":"2026-11-02T14:33:02.580561Z"}],"euvd":[{"id":"EUVD-2021-32460","description":"TOTOLINK A720R v4.1.5cu.470_B20200911 was discovered to contain a command injection vulnerability in the \"Main\" function. This vulnerability allows attackers to execute arbitrary commands via the QUERY_STRING parameter.","status":"published","published":"2022-02-04T01:33:51Z","modified":"2024-08-04T04:47:02Z","updated_at":"2026-11-03T03:08:25.77408Z"}],"ghsa":[{"id":"GHSA-wcmw-p6qg-rm5r","title":"TOTOLINK A720R v4.1.5cu.470_B20200911 was discovered to contain a command injection vulnerability...","description":"TOTOLINK A720R v4.1.5cu.470_B20200911 was discovered to contain a command injection vulnerability in the \"Main\" function. This vulnerability allows attackers to execute arbitrary commands via the QUERY_STRING parameter.","status":"published","published":"2022-02-05T00:00:38Z","modified":"2023-02-03T05:05:34Z","cwes":["CWE-77"],"updated_at":"2026-11-02T14:53:45.828819Z"}],"nvd":[{"id":"CVE-2021-45742","description":"TOTOLINK A720R v4.1.5cu.470_B20200911 was discovered to contain a command injection vulnerability in the \"Main\" function. This vulnerability allows attackers to execute arbitrary commands via the QUERY_STRING parameter.","status":"published","published":"2022-02-04T02:15:08.487Z","modified":"2026-06-17T04:14:02.54Z","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":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:07:04.178977Z"}]}}