PatchSiren

OpenPLC_V3 CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

HIGH OpenPLC_V3 CVE published 2025-09-30

CVE-2025-54811

CVE-2025-54811 affects OpenPLC_V3 and was publicly disclosed by CISA on 2025-09-30. The advisory says a flaw in enipThread can lead to a crash when the server loop ends and execution reaches an illegal ud2 instruction, resulting in denial of service for the PLC runtime.