{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-12819","assignerOrgId":"759f5e80-c8e1-4224-bead-956d7b33c98b","state":"PUBLISHED","assignerShortName":"Deltaww","dateReserved":"2026-06-21T10:18:28.804Z","datePublished":"2026-06-30T06:28:51.514Z","dateUpdated":"2026-06-30T12:50:59.070Z"},"containers":{"cna":{"providerMetadata":{"orgId":"759f5e80-c8e1-4224-bead-956d7b33c98b","shortName":"Deltaww","dateUpdated":"2026-06-30T06:28:51.514Z"},"title":"DVP-12SE Missing Authentication and Unauthorized Write access Vulnerability","datePublic":"2026-06-30T05:29:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-306","description":"CWE-306 Missing Authentication for Critical Function","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-115","descriptions":[{"lang":"en","value":"CAPEC-115: Authentication Bypass"}]}],"affected":[{"vendor":"deltaww","product":"DVP-12SE","versions":[{"status":"affected","version":"*"}],"defaultStatus":"unaffected"}],"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:deltaww:dvp-12se:*:*:*:*:*:*:*:*"}]}]}],"descriptions":[{"lang":"en","value":"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.","supportingMedia":[{"type":"text/html","base64":false,"value":"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."}]}],"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"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"CRITICAL","baseScore":9.3,"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"}}],"workarounds":[{"lang":"en","value":"Users are recommended to take the following mitigation measures:\n\n  *  Enable the IP Filter feature: Configure and enable the PLC's built-in IP Filter function via the programming software. Restrict access exclusively to the IP addresses of trusted devices (such as designated HMI panels or SCADA hosts) to block unauthorized network access.\n\n  *  Set up PLC password protection: Enable password protection for the PLC within the programming software to ensure the device's core control logic and parameters cannot be easily downloaded, overwritten, or tampered with.\n\n  *  Implement network isolation and firewall protection: Deploy the PLC within an independent local area network (OT control network) secured by a firewall. Never connect the device directly to the office network or the Internet. If remote access is required, enforce the use of a secure, authorized VPN tunnel.","supportingMedia":[{"type":"text/html","base64":false,"value":"Users are recommended to take the following mitigation measures:\n<br><ul><li>Enable the IP Filter feature: Configure and enable the PLC's built-in IP Filter function via the programming software. Restrict access exclusively to the IP addresses of trusted devices (such as designated HMI panels or SCADA hosts) to block unauthorized network access.\n</li><li>Set up PLC password protection: Enable password protection for the PLC within the programming software to ensure the device's core control logic and parameters cannot be easily downloaded, overwritten, or tampered with.\n</li><li>Implement network isolation and firewall protection: Deploy the PLC within an independent local area network (OT control network) secured by a firewall. Never connect the device directly to the office network or the Internet. If remote access is required, enforce the use of a secure, authorized VPN tunnel.&nbsp;</li></ul>"}]}],"credits":[{"lang":"en","value":"CISA","type":"coordinator"},{"lang":"en","value":"Adm Bin Harbi (0xnoag) - Corvo Security","type":"reporter"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-30T12:50:51.923347Z","id":"CVE-2026-12819","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-30T12:50:59.070Z"}}]}}