MZ Automation's libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) accesses a resource using an incompatible type, which could allow an attacker to crash the server with a malicious payload.
https://thehackernews.com/2024/10/researchers-uncover-major-security.html