b&r terminal os

The b&r terminal os tag covers security updates for B&R Industrial Automation terminal products, with a focus on CVE-2025-31115 in the XZ Utils component. Recent coverage follows a CISA-republished ABB PSIRT advisory and identifies fixed Terminal OS releases for PPC3100, C50, C80, FT50, MT50, T30, T80, and T50 devices. It explains how the vulnerability can cause denial of service and memory corruption, and why embedded open-source components in industrial systems may require a different patching response from consumer software. Use this archive to follow documented B&R Terminal OS fixes and related security information for affected industrial terminals.