{"id":"CVE-2018-0721","aliases":["EUVD-2018-1531","GHSA-j325-h69m-f57c"],"status":"published","title":"Security Advisory for Vulnerabilities in QTS","description":"Buffer Overflow vulnerability in NAS devices. QTS allows attackers to run arbitrary code. This issue affects: QNAP Systems Inc. QTS version 4.2.6 and prior versions on build 20180711; version 4.3.3 and prior versions on build 20180725; version 4.3.4 and prior versions on build 20180710.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01552,"percentile":0.75288,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-120"],"published":"2018-11-27T22:00:00Z","modified":"2026-06-17T01:31:31Z","products":[{"vendor":"qnap","product":"qts"},{"vendor":"qnap systems inc.","product":"qts"}],"references":[{"url":"https://www.qnap.com/zh-tw/security-advisory/nas-201809-20","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-0721"},{"url":"https://github.com/advisories/GHSA-j325-h69m-f57c"}],"sources":{"cve":[{"id":"CVE-2018-0721","title":"Security Advisory for Vulnerabilities in QTS","description":"Buffer Overflow vulnerability in NAS devices. QTS allows attackers to run arbitrary code. This issue affects: QNAP Systems Inc. QTS version 4.2.6 and prior versions on build 20180711; version 4.3.3 and prior versions on build 20180725; version 4.3.4 and prior versions on build 20180710.","status":"published","published":"2018-11-27T22:00:00Z","modified":"2024-08-05T03:35:49.256Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:35:12.596526Z"}],"euvd":[{"id":"EUVD-2018-1531","description":"Buffer Overflow vulnerability in NAS devices. QTS allows attackers to run arbitrary code. This issue affects: QNAP Systems Inc. QTS version 4.2.6 and prior versions on build 20180711; version 4.3.3 and prior versions on build 20180725; version 4.3.4 and prior versions on build 20180710.","status":"published","published":"2018-11-27T22:00:00Z","modified":"2024-08-05T03:35:49Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:L","level":"high"}],"updated_at":"2026-11-03T02:40:17.442322Z"}],"ghsa":[{"id":"GHSA-j325-h69m-f57c","title":"Buffer Overflow vulnerability in NAS devices. QTS allows attackers to run arbitrary code. This...","description":"Buffer Overflow vulnerability in NAS devices. QTS allows attackers to run arbitrary code. This issue affects: QNAP Systems Inc. QTS version 4.2.6 and prior versions on build 20180711; version 4.3.3 and prior versions on build 20180725; version 4.3.4 and prior versions on build 20180710.","status":"published","published":"2022-05-13T01:28:55Z","modified":"2023-02-01T05:07:50Z","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-119"],"updated_at":"2026-11-02T14:50:37.203795Z"}],"nvd":[{"id":"CVE-2018-0721","description":"Buffer Overflow vulnerability in NAS devices. QTS allows attackers to run arbitrary code. This issue affects: QNAP Systems Inc. QTS version 4.2.6 and prior versions on build 20180711; version 4.3.3 and prior versions on build 20180725; version 4.3.4 and prior versions on build 20180710.","status":"published","published":"2018-11-27T23:29:00.25Z","modified":"2026-06-17T01:31:31.503Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:L","level":"high","assessor":"secondary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-120","CWE-119"],"updated_at":"2026-11-02T14:04:48.987926Z"}]}}