{"id":"CVE-2023-43492","aliases":["EUVD-2023-47907","GHSA-6gp7-g3rx-2cq6"],"status":"published","title":"Weintek cMT3000 HMI Web CGI Stack-based Buffer Overflow","description":"In Weintek's cMT3000 HMI Web CGI device, the cgi-bin codesys.cgi contains a stack-based buffer overflow, which could allow an anonymous attacker to hijack control flow and bypass login authentication.","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":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01107,"percentile":0.66279,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121","CWE-787"],"published":"2023-10-19T19:28:59Z","modified":"2026-06-17T06:25:35Z","products":[{"vendor":"weintek","product":"cmt-fhd"},{"vendor":"weintek","product":"cmt-fhd_firmware"},{"vendor":"weintek","product":"cmt-hdm"},{"vendor":"weintek","product":"cmt-hdm_firmware"},{"vendor":"weintek","product":"cmt3071"},{"vendor":"weintek","product":"cmt3071_firmware"},{"vendor":"weintek","product":"cmt3072"},{"vendor":"weintek","product":"cmt3072_firmware"},{"vendor":"weintek","product":"cmt3090"},{"vendor":"weintek","product":"cmt3090_firmware"},{"vendor":"weintek","product":"cmt3103"},{"vendor":"weintek","product":"cmt3103_firmware"},{"vendor":"weintek","product":"cmt3151"},{"vendor":"weintek","product":"cmt3151_firmware"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-23-285-12","tags":["x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://dl.weintek.com/public/Document/TEC/TEC23005E_cMT_Web_Security_Update.pdf","tags":["x_transferred","Exploit","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-43492"},{"url":"https://github.com/advisories/GHSA-6gp7-g3rx-2cq6"}],"sources":{"cve":[{"id":"CVE-2023-43492","title":"Weintek cMT3000 HMI Web CGI Stack-based Buffer Overflow","description":"\n\n\n\n\n\n\n\n\nIn Weintek's cMT3000 HMI Web CGI device, the cgi-bin codesys.cgi contains a stack-based buffer overflow, which could allow an anonymous attacker to hijack control flow and bypass login authentication.\n\n\n\n","status":"published","published":"2023-10-19T19:28:59.236Z","modified":"2025-01-16T21:28:29.9Z","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":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:35:14.633899Z"}],"euvd":[{"id":"EUVD-2023-47907","description":"\n\n\n\n\n\n\n\n\nIn Weintek's cMT3000 HMI Web CGI device, the cgi-bin codesys.cgi contains a stack-based buffer overflow, which could allow an anonymous attacker to hijack control flow and bypass login authentication.\n\n\n\n","status":"published","published":"2023-10-19T19:28:59Z","modified":"2025-01-16T21:28:29Z","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"}],"updated_at":"2026-11-03T00:04:18.077485Z"}],"ghsa":[{"id":"GHSA-6gp7-g3rx-2cq6","title":"\n\n\n\n\n\n\n\n\nIn Weintek's cMT3000 HMI Web CGI device, the cgi-bin codesys.cgi contains a stack-based...","description":"\n\n\n\n\n\n\n\n\nIn Weintek's cMT3000 HMI Web CGI device, the cgi-bin codesys.cgi contains a stack-based buffer overflow, which could allow an anonymous attacker to hijack control flow and bypass login authentication.\n\n\n\n","status":"published","published":"2023-10-19T21:30:17Z","modified":"2024-04-11T21:19:47Z","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-121","CWE-787"],"updated_at":"2026-11-02T14:57:10.781816Z"}],"nvd":[{"id":"CVE-2023-43492","description":"\n\n\n\n\n\n\n\n\nIn Weintek's cMT3000 HMI Web CGI device, the cgi-bin codesys.cgi contains a stack-based buffer overflow, which could allow an anonymous attacker to hijack control flow and bypass login authentication.\n\n\n\n","status":"published","published":"2023-10-19T20:15:09.23Z","modified":"2026-06-17T06:25:35.573Z","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":"secondary"},{"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"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T14:08:39.058878Z"}]}}