{"id":"CVE-2026-12819","aliases":["EUVD-2026-40258","GHSA-xpw2-pg2w-j67h"],"status":"published","title":"DVP-12SE Missing Authentication and Unauthorized Write access Vulnerability","description":"Delta Electronics DVP12SE PLC exposes a Modbus TCP service over a specified port without authentication or access control, permitting unauthenticated interaction with security-sensitive PLC functions.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00543,"percentile":0.45948,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-06-30T06:28:51Z","modified":"2026-10-25T21:10:00Z","products":[{"vendor":"delta electronics","product":"dvp-12se"},{"vendor":"deltaww","product":"dvp-12se"}],"references":[{"url":"https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00011_DVP12SE%20Multiple%20Vulnerabilities%20(CVE-2026-12818,%20CVE-2026-12819)_v1.0.pdf"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12819"},{"url":"https://github.com/advisories/GHSA-xpw2-pg2w-j67h"}],"sources":{"cve":[{"id":"CVE-2026-12819","title":"DVP-12SE Missing Authentication and Unauthorized Write access Vulnerability","description":"Delta Electronics DVP12SE PLC exposes a Modbus TCP service over a specified port without authentication or access control, permitting unauthenticated interaction with security-sensitive PLC functions.","status":"published","published":"2026-06-30T06:28:51.514Z","modified":"2026-06-30T12:50:59.07Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:19:48.461833Z"}],"euvd":[{"id":"EUVD-2026-40258","description":"Delta Electronics DVP12SE PLC exposes a Modbus TCP service over a specified port without authentication or access control, permitting unauthenticated interaction with security-sensitive PLC functions.","status":"published","published":"2026-06-30T06:28:51Z","modified":"2026-06-30T12:50:59Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T18:20:21.627235Z"}],"ghsa":[{"id":"GHSA-xpw2-pg2w-j67h","title":"Delta Electronics DVP12SE PLC exposes a Modbus TCP service over a specified port without...","description":"Delta Electronics DVP12SE PLC exposes a Modbus TCP service over a specified port without authentication or access control, permitting unauthenticated interaction with security-sensitive PLC functions.","status":"published","published":"2026-06-30T09:31:35Z","modified":"2026-06-30T09:31:36Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:09:05.934873Z"}],"nvd":[{"id":"CVE-2026-12819","description":"Delta Electronics DVP12SE PLC exposes a Modbus TCP service over a specified port without authentication or access control, permitting unauthenticated interaction with security-sensitive PLC functions.","status":"published","published":"2026-06-30T07:16:32.06Z","modified":"2026-10-25T21:10:00.77Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:12:26.508751Z"}]}}