{"id":"CVE-2018-14818","aliases":["EUVD-2018-6702","GHSA-mq6h-9xw9-9gqm"],"status":"published","title":"WECON Technology Co., Ltd. PI Studio HMI versions 4.1.9 and prior and PI Studio versions 4.2.34...","description":"WECON Technology Co., Ltd. PI Studio HMI versions 4.1.9 and prior and PI Studio versions 4.2.34 and prior have a stack-based buffer overflow vulnerability which may allow remote code 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":"2026-11-07","score":0.03494,"percentile":0.8922,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121","CWE-787"],"published":"2018-10-08T12:29:00.39Z","modified":"2026-06-17T01:41:42Z","products":[{"vendor":"we-con","product":"pi_studio"},{"vendor":"we-con","product":"pi_studio_hmi"},{"vendor":"wecon","product":"pi studio"},{"vendor":"wecon","product":"pi studio hmi"}],"references":[{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-18-277-01","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-14818"},{"url":"https://github.com/advisories/GHSA-mq6h-9xw9-9gqm"}],"sources":{"cve":[{"id":"CVE-2018-14818","description":"WECON Technology Co., Ltd. PI Studio HMI versions 4.1.9 and prior and PI Studio versions 4.2.34 and prior have a stack-based buffer overflow vulnerability which may allow remote code execution.","status":"published","published":"2018-10-08T13:00:00Z","modified":"2024-09-17T02:37:32.231Z","cwes":["CWE-121"],"updated_at":"2026-11-02T14:35:00.589142Z"}],"euvd":[{"id":"EUVD-2018-6702","description":"WECON Technology Co., Ltd. PI Studio HMI versions 4.1.9 and prior and PI Studio versions 4.2.34 and prior have a stack-based buffer overflow vulnerability which may allow remote code execution.","status":"published","published":"2018-10-08T13:00:00Z","modified":"2024-09-17T02:37:32Z","updated_at":"2026-11-03T00:28:38.75517Z"}],"ghsa":[{"id":"GHSA-mq6h-9xw9-9gqm","title":"WECON Technology Co., Ltd. PI Studio HMI versions 4.1.9 and prior and PI Studio versions 4.2.34...","description":"WECON Technology Co., Ltd. PI Studio HMI versions 4.1.9 and prior and PI Studio versions 4.2.34 and prior have a stack-based buffer overflow vulnerability which may allow remote code execution.","status":"published","published":"2022-05-13T01:17:51Z","modified":"2023-02-01T05:05:18Z","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"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:50:13.694184Z"}],"nvd":[{"id":"CVE-2018-14818","description":"WECON Technology Co., Ltd. PI Studio HMI versions 4.1.9 and prior and PI Studio versions 4.2.34 and prior have a stack-based buffer overflow vulnerability which may allow remote code execution.","status":"published","published":"2018-10-08T12:29:00.39Z","modified":"2026-06-17T01:41:42.157Z","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-121","CWE-787"],"updated_at":"2026-11-02T14:04:42.52179Z"}]}}