{"id":"CVE-2017-8218","aliases":["EUVD-2017-17180","GHSA-vh92-5f9c-5pjv"],"status":"published","title":"vsftpd on TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n...","description":"vsftpd on TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n has a backdoor admin account with the 1234 password, a backdoor guest account with the guest password, and a backdoor test account with the test password.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02055,"percentile":0.81413,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1188"],"published":"2017-04-25T20:00:00Z","modified":"2026-06-17T01:25:59Z","products":[{"vendor":"tp-link","product":"c20i_firmware"},{"vendor":"tp-link","product":"c2_firmware"}],"references":[{"url":"https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html","tags":["x_refsource_MISC","x_transferred","Exploit","Technical Description","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-8218"},{"url":"https://github.com/advisories/GHSA-vh92-5f9c-5pjv"}],"sources":{"cve":[{"id":"CVE-2017-8218","description":"vsftpd on TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n has a backdoor admin account with the 1234 password, a backdoor guest account with the guest password, and a backdoor test account with the test password.","status":"published","published":"2017-04-25T20:00:00Z","modified":"2024-09-16T18:34:45.598Z","updated_at":"2026-11-02T14:33:14.89365Z"}],"euvd":[{"id":"EUVD-2017-17180","description":"vsftpd on TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n has a backdoor admin account with the 1234 password, a backdoor guest account with the guest password, and a backdoor test account with the test password.","status":"published","published":"2017-04-25T20:00:00Z","modified":"2024-09-16T18:34:45Z","updated_at":"2026-11-03T00:55:31.048035Z"}],"ghsa":[{"id":"GHSA-vh92-5f9c-5pjv","title":"vsftpd on TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n...","description":"vsftpd on TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n has a backdoor admin account with the 1234 password, a backdoor guest account with the guest password, and a backdoor test account with the test password.","status":"published","published":"2022-05-13T01:47:22Z","modified":"2023-02-02T05:01:37Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-1188"],"updated_at":"2026-11-02T14:51:13.443022Z"}],"nvd":[{"id":"CVE-2017-8218","description":"vsftpd on TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n has a backdoor admin account with the 1234 password, a backdoor guest account with the guest password, and a backdoor test account with the test password.","status":"published","published":"2017-04-25T20:59:00.197Z","modified":"2026-06-17T01:25:59.523Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/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-1188"],"updated_at":"2026-11-02T14:03:46.08744Z"}]}}