CVE-2026-17539

RTU500 has a vulnerability, where high-load scenarios, such as sending GI requests at short intervals, may cause a NULL pointer dereference in the last entry of the enhanced message queue. This can cause a BCIIEC104 fatal write error, resulting in connection interruption and restart, and ultimate...

CVE-2026-17539

RTU500 (Hitachi Energy) is affected by a NULL pointer dereference in the last entry of the enhanced message queue, triggered under high-load scenarios such as sending GI (General Interrogation) requests at short intervals . This leads to a BCI_IEC104 fatal write error , causing connection interru...