https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 10:39:01 +0000 https://vulnerability.circl.lu/vuln/cve-2026-17539 <p><strong>Affected:</strong> Hitachi Energy RTU500 series CMU firmware</p> <p>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 BCI_IEC104 fatal write error, resulting in connection interruption and restart, and ultimately a denial of service for bidirectional IEC 60870-5-104 communication.</p> <p><strong>Affected:</strong> Hitachi Energy RTU500 series CMU firmware</p> <p>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 BCI_IEC104 fatal write error, resulting in connection interruption and restart, and ultimately a denial of service for bidirectional IEC 60870-5-104 communication.</p> https://vulnerability.circl.lu/vuln/cve-2026-17539