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ICSA-26-190-03  ·  Published 2026-07-09  ·  View on CISA ICS-CERT ↗

Schneider Electric Easergy MiCOM Px40 Series

CVSS 5.3 MEDIUM

Risk Summary

Schneider Electric is aware of a vulnerability in its Easergy MiCOM Px40 Series products. The [Easergy MiCOM Px40](https://www.se.com/ww/en/product-subcategory/4725-easergy-micom-px40-series/?filter=business-6-medium-voltage-distribution-and-grid-automation) is a protection relay series for Medium Voltage, High Voltage and Extra High Voltage protection. Failure to apply the mitigations provided below may risk unauthorized exposure of basic device identification through the SNMP protocol.

CVEs (1)

Remediations

  • For customers who do not require SNMP Contact Schneider Electric's [Customer Care Center](https://www.se.com/ww/en/work/support/contacts.jsp) to upgrade the Firmware to a version without SNMP functionality. If customers choose not to apply the upgrade provided above, they should immediately apply the following mitigations to reduce the risk of exploit: * Use relays only in a protected network environment, * Use firewalls to protect and separate the control system network from other networks, * Use VPN (Virtual Private Networks) tunnels if remote access is required. For customers who require SNMP Please immediately apply the following mitigations to reduce the risk of exploit: * Use relays only in a protected network environment, * Use firewalls to protect and separate the control system network from other networks, * Use VPN (Virtual Private Networks) tunnels if remote access is required.

Affected Vendors

Schneider Electric

Affected Products (13)

Schneider Electric · Easergy MiCOM P14x vers:generic/<B4A
Schneider Electric · Easergy MiCOM P24x vers:generic/<D3A
Schneider Electric · Easergy MiCOM P341 vers:generic/<E3F
Schneider Electric · Easergy MiCOM P342, P343, P344, P345 vers:generic/<B3F
Schneider Electric · Easergy MiCOM P442, P444 vers:generic/<E3A
Schneider Electric · Easergy MiCOM P443, P445, P446, P543, P544, P545, P546 vers:generic/<H6A
Schneider Electric · Easergy MiCOM P841 vers:generic/<G6A
Schneider Electric · Easergy MiCOM P643 vers:generic/<B3F
Schneider Electric · Easergy MiCOM P642, P645 vers:generic/<B4A
Schneider Electric · Easergy MiCOM P741, P742, P743 vers:generic/<B2A
Schneider Electric · Easergy MiCOM P746 vers:generic/<B4E
Schneider Electric · Easergy MiCOM P746 vers:generic/<C4E
Schneider Electric · Easergy MiCOM P849 vers:generic/<B4A

Affected Sectors

Critical Manufacturing, Energy, Transportation Systems

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