{"id":"CVE-2018-3864","aliases":["EUVD-2018-15650","GHSA-w75f-gw3f-7vf9"],"status":"published","title":"An exploitable buffer overflow vulnerability exists in the Samsung WifiScan handler of video-core...","description":"An exploitable buffer overflow vulnerability exists in the Samsung WifiScan handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The strcpy overflows the destination buffer, which has a size of 40 bytes. An attacker can send an arbitrarily long \"password\" value in order to exploit this vulnerability.","severity":{"version":"3.0","score":9.9,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-07","score":0.01804,"percentile":0.78678,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-120"],"published":"2018-09-20T15:00:00Z","modified":"2026-06-17T01:57:55Z","products":[{"vendor":"samsung","product":"smartthings hub sth-eth-250"},{"vendor":"samsung","product":"sth-eth-250_firmware"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2018-0548","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-3864"},{"url":"https://github.com/advisories/GHSA-w75f-gw3f-7vf9"}],"sources":{"cve":[{"id":"CVE-2018-3864","description":"An exploitable buffer overflow vulnerability exists in the Samsung WifiScan handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The strcpy overflows the destination buffer, which has a size of 40 bytes. An attacker can send an arbitrarily long \"password\" value in order to exploit this vulnerability.","status":"published","published":"2018-09-20T15:00:00Z","modified":"2024-09-17T02:42:31.662Z","cvss":[{"version":"3.0","score":9.9,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"updated_at":"2026-11-02T14:35:05.619113Z"}],"euvd":[{"id":"EUVD-2018-15650","description":"An exploitable buffer overflow vulnerability exists in the Samsung WifiScan handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The strcpy overflows the destination buffer, which has a size of 40 bytes. An attacker can send an arbitrarily long \"password\" value in order to exploit this vulnerability.","status":"published","published":"2018-09-20T15:00:00Z","modified":"2024-09-17T02:42:31Z","cvss":[{"version":"3.0","score":9.9,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:28:37.764675Z"}],"ghsa":[{"id":"GHSA-w75f-gw3f-7vf9","title":"An exploitable buffer overflow vulnerability exists in the Samsung WifiScan handler of video-core...","description":"An exploitable buffer overflow vulnerability exists in the Samsung WifiScan handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The strcpy overflows the destination buffer, which has a size of 40 bytes. An attacker can send an arbitrarily long \"password\" value in order to exploit this vulnerability.","status":"published","published":"2022-05-13T01:02:04Z","modified":"2023-05-25T05:00:44Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119","CWE-120"],"updated_at":"2026-11-02T14:54:36.087743Z"}],"nvd":[{"id":"CVE-2018-3864","description":"An exploitable buffer overflow vulnerability exists in the Samsung WifiScan handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The strcpy overflows the destination buffer, which has a size of 40 bytes. An attacker can send an arbitrarily long \"password\" value in order to exploit this vulnerability.","status":"published","published":"2018-09-20T15:29:00.663Z","modified":"2026-06-17T01:57:55.487Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":9.9,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:04:40.661264Z"}]}}