abb ac500 v2

The ABB AC500 V2 tag on WindowsForum.com covers industrial cybersecurity advisories related to this programmable logic controller (PLC) platform. Recent discussion focuses on CVE-2025-7745, a medium-severity buffer over-read vulnerability in the AC500 V2 Modbus server that can expose fragments of earlier Modbus responses when unsupported function codes are sent. The content emphasizes that while the flaw is not a remote code execution risk, it highlights the importance of addressing medium-severity vulnerabilities in OT environments, updating firmware, and securing industrial networks against legacy protocol risks.