{"id":"CVE-2021-43711","aliases":["EUVD-2021-30618","GHSA-chwf-9c6x-wv85"],"status":"published","title":"The downloadFlile.cgi binary file in TOTOLINK EX200 V4.0.3c.7646_B20201211 has a command...","description":"The downloadFlile.cgi binary file in TOTOLINK EX200 V4.0.3c.7646_B20201211 has a command injection vulnerability when receiving GET parameters. The parameter name can be constructed for unauthenticated command execution.","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":0.37835,"percentile":0.98557,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77"],"published":"2022-01-04T13:49:47Z","modified":"2026-06-17T04:11:18Z","products":[{"vendor":"totolink","product":"ex200_firmware"}],"references":[{"url":"https://github.com/doudoudedi/ToTolink_EX200_Cmmand_Execute/blob/main/ToTolink%20EX200%20Comand%20Injection2.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43711"},{"url":"https://github.com/advisories/GHSA-chwf-9c6x-wv85"}],"sources":{"cve":[{"id":"CVE-2021-43711","description":"The downloadFlile.cgi binary file in TOTOLINK EX200 V4.0.3c.7646_B20201211 has a command injection vulnerability when receiving GET parameters. The parameter name can be constructed for unauthenticated command execution.","status":"published","published":"2022-01-04T13:49:47Z","modified":"2024-08-04T04:03:08.672Z","updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-30618","description":"The downloadFlile.cgi binary file in TOTOLINK EX200 V4.0.3c.7646_B20201211 has a command injection vulnerability when receiving GET parameters. The parameter name can be constructed for unauthenticated command execution.","status":"published","published":"2022-01-04T13:49:47Z","modified":"2024-08-04T04:03:08Z","updated_at":"2026-11-03T03:24:13.193734Z"}],"ghsa":[{"id":"GHSA-chwf-9c6x-wv85","title":"The downloadFlile.cgi binary file in TOTOLINK EX200 V4.0.3c.7646_B20201211 has a command...","description":"The downloadFlile.cgi binary file in TOTOLINK EX200 V4.0.3c.7646_B20201211 has a command injection vulnerability when receiving GET parameters. The parameter name can be constructed for unauthenticated command execution.","status":"published","published":"2022-01-05T00:00:59Z","modified":"2023-02-03T05:03:55Z","cwes":["CWE-77"],"updated_at":"2026-11-02T14:53:26.852274Z"}],"nvd":[{"id":"CVE-2021-43711","description":"The downloadFlile.cgi binary file in TOTOLINK EX200 V4.0.3c.7646_B20201211 has a command injection vulnerability when receiving GET parameters. The parameter name can be constructed for unauthenticated command execution.","status":"published","published":"2022-01-04T14:15:08.127Z","modified":"2026-06-17T04:11:18.557Z","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-77"],"updated_at":"2026-11-02T14:07:03.418194Z"}]}}