CVE-2025-53476: Missing Release of File Descriptor or Handle after Effective Lifetime

A denial of service vulnerability exists in the ModbusTCP server functionality of OpenPLC v3 a931181e8b81e36fadf7b74d5cba99b73c3f6d58. A specially crafted series of network connections can lead to the server not processing subsequent Modbus requests. An attacker can open a series of TCP connectio...