CVE-2026-66349 | MZ Automation libiec61850 up to 1.6.1 MMS Server Connection out-of-bounds

A vulnerability labeled as critical has been found in MZ Automation libiec61850 up to 1.6.1. Affected by this issue is some unknown functionality of the component MMS Server Connection Handler. Such manipulation leads to out-of-bounds read.

This vulnerability is listed as CVE-2026-66349. The attack may be performed from remote. There is no available exploit.

The affected component should be upgraded.