CVE-2026-51219

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

A heap buffer overflow in the HighPriorityASDUQueue_hasUnconfirmedIMessages function of lib60870 v2.3.3 to v2.3.6 allows attackers to cause a Denial of Service (DoS) via a crafted payload.

Published 2026-06-29. Last modified 2026-08-04.