threat-intel
Schneider Electric Easergy MiCOM Px40 Series
High
Summary
Schneider Electric has issued a security advisory (SEVD-2026-104-03) regarding a critical vulnerability in its Easergy MiCOM Px40 Series protection relays. This vulnerability, a Use of Hard-coded Credentials (CWE-798), could allow unauthorized access to device information via SNMP. The advisory lists numerous affected versions of the MiCOM Px40 series and recommends immediate mitigation steps, including disabling SNMP if not required, implementing firewalls and VPNs, and applying firmware updates. Schneider Electric CPCERT reported the vulnerability to CISA.
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