CVE-2026-12819 (CRITICAL, CVSS 9.3) in deltaww DVP-12SE PLC: Modbus TCP service lacks authentication, allowing unauthenticated access to critical PLC functions. Segment networks & restrict access. https://radar.offseq.com/threat/cve-2026-12819-cwe-306-missing-authentication-for--8fd3769bc2b1bbcf #OffSeq #ICS #Vulnerability #PLCsecurity