{"id":"CVE-2021-43663","aliases":["EUVD-2021-30575","GHSA-xqww-qhcc-x39q"],"status":"published","title":"totolink EX300_v2 V4.0.3c.140_B20210429 was discovered to contain a command injection...","description":"totolink EX300_v2 V4.0.3c.140_B20210429 was discovered to contain a command injection vulnerability via the component cloudupdate_check.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00957,"percentile":0.61745,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77"],"published":"2022-03-30T23:40:13Z","modified":"2026-06-17T04:11:14Z","products":[{"vendor":"totolink","product":"ex300_v2_firmware"}],"references":[{"url":"https://github.com/chibataiki/iot-vuls/blob/main/totolink/command-injection1.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43663"},{"url":"https://github.com/advisories/GHSA-xqww-qhcc-x39q"}],"sources":{"cve":[{"id":"CVE-2021-43663","description":"totolink EX300_v2 V4.0.3c.140_B20210429 was discovered to contain a command injection vulnerability via the component cloudupdate_check.","status":"published","published":"2022-03-30T23:40:13Z","modified":"2024-08-04T04:03:08.611Z","updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-30575","description":"totolink EX300_v2 V4.0.3c.140_B20210429 was discovered to contain a command injection vulnerability via the component cloudupdate_check.","status":"published","published":"2022-03-30T23:40:13Z","modified":"2024-08-04T04:03:08Z","updated_at":"2026-11-03T03:24:13.193734Z"}],"ghsa":[{"id":"GHSA-xqww-qhcc-x39q","title":"totolink EX300_v2 V4.0.3c.140_B20210429 was discovered to contain a command injection...","description":"totolink EX300_v2 V4.0.3c.140_B20210429 was discovered to contain a command injection vulnerability via the component cloudupdate_check.","status":"published","published":"2022-04-01T00:00:43Z","modified":"2023-01-27T05:01:14Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:41:51.095902Z"}],"nvd":[{"id":"CVE-2021-43663","description":"totolink EX300_v2 V4.0.3c.140_B20210429 was discovered to contain a command injection vulnerability via the component cloudupdate_check.","status":"published","published":"2022-03-31T00:15:08.033Z","modified":"2026-06-17T04:11:14.343Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.9,"vector":"AV:A/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:07:05.581807Z"}]}}