Threats·Industrial & OTBreakingMitsubishi Electric MELSEC iQ-R Series PLCs Vulnerable to Unauthenticated Industrial Network Memory Tampering (CVE-2026-59820)Mitsubishi Electric and CISA warn of a high-severity flaw in MELSEC iQ-R controllers allowing remote network adversaries to alter device memory registers without authentication.CST Newsroom9 Oct 20268 min read
