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mitsubishi melsec iq r
About this tag
The mitsubishi melsec iq r tag covers discussions about Mitsubishi Electric's MELSEC iQ-R programmable logic controller (PLC) family, particularly in the context of Windows-based engineering hosts used for OT management. A key topic is CVE-2025-15080, a high-severity vulnerability affecting MELSEC iQ-R Process CPU modules that allows unauthenticated remote attackers to read or write device data and cause denial-of-service conditions. The tag includes patch guidance and firmware update recommendations (version 49 or later) to mitigate the flaw. Content focuses on security advisories, vulnerability remediation, and operational technology (OT) network protection for Windows-managed PLC environments.
Mitsubishi Electric’s MELSEC iQ‑R family has a new, high‑severity vulnerability that demands immediate attention from OT teams and Windows‑based engineering hosts that manage programmable logic controllers (PLCs). The flaw, tracked as CVE‑2025‑15080, allows an unauthenticated remote actor to...