
[CVE Analysis] CVE-2025-69421: Hitachi Energy RTU500 CMU Firmware Availability Flaw Threatens Substation Telemetry https://breachspider.com/intel/2026-06-21-cve-2025-69421-hitachi-energy-rtu500-cmu-firmware-availabili #ICS #OTSecurity #SCADA #CriticalInfrastructure
Post summary
The post announces CVE‑2025‑69421 as a firmware availability flaw in Hitachi Energy RTU500 CMU affecting substation telemetry, but provides no PoC, exploit, patch, active exploitation, or detailed technical data.


