{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-12819: DVP-12SE Missing Authentication and Unauthorized Write access Vulnerability","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-12819","status":"final","version":"1","initial_release_date":"2026-06-30T06:28:51.514Z","current_release_date":"2026-06-30T06:28:51.514Z","revision_history":[{"date":"2026-06-30T06:28:51.514Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"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.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-12819 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-12819"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-12819"},{"category":"external","summary":"filecenter.deltaww.com","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"}]},"product_tree":{"branches":[{"category":"vendor","name":"deltaww","branches":[{"category":"product_name","name":"DVP-12SE","branches":[{"category":"product_version","name":"*","product":{"name":"deltaww DVP-12SE *","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:deltaww:dvp-12se:\\*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-12819","title":"DVP-12SE Missing Authentication and Unauthorized Write access Vulnerability","notes":[{"category":"description","text":"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.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"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","baseScore":9.3,"baseSeverity":"CRITICAL"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}