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Industrial control advisorySeverity 8.3 high

Schneider Electric Easergy, EcoStruxture, PowerLogic, and Saitel Products (Update A)

ICSA-26-169-07 · CISA · May 12, 2026

Summary

Schneider Electric is aware of a vulnerability in the following products: The Easergy C5 is a scalable and interoperable bay controller, protection and merging unit for large and critical infrastructure electrical distribution systems. The Easergy MiCOM P30 is a family of multifunction protection and control relays designed for medium, high and extra high voltage electrical networks. The Easergy MiCOM P40 is a protection relay series for Medium Voltage, High Voltage and Extra High Voltage protection. The Easergy MiCOM C264 is a modular and compact substation or bay controller, smart RTU and MV one box solution The EcoStruxure™ Power Automation System Gateway (EPAS=GTW) is a scalable, interoperable, and rugged communication gateway that helps to remotely monitor and operate electrical processes The EcoStruxure Power Automation System User Interface (EPAS-UI) product is an HMI SCADA designed for electrical networks and substations operations. The EcoStruxure Power Automation System Intelligent Power Management System and Fast Load Shedding (iPMFLS) is a range of solutions designed to overcome size and performances constraints. The EcoStruxure™ Power Operation (EPO) are an on-premises software offers that provides a single platform to monitor and control medium and lower power systems. The PowerLogic™ P5 is a medium voltage protection relay. The PowerLogic™ P7 is a protection and control platform designed for complex and advanced electrical network applications. The PowerLogic™ T300 is a modular platform for medium voltage and low voltage public distribution network management. The PowerLogicTM T500 is a control unit and RTU for substation automation. The Saitel DP RTU is a modular platform for medium voltage and low voltage public distribution and transmission network management. The EasyLogic T150 (formerly Saitel DR RTU) is a field device, offering a solid and powerful platform for data acquisition, communication, automation and IED integration for distribution and transmission networks, generation sector and railway. Failure to apply the fix provided below may risk session hijacking, which could result in malicious actors performing unauthorized operations within the affected system.

From CISA, quoted as published. Check the source before acting.

What to do

Version D7.34 of MiCOM C264 includes a fix for this vulnerability. Contact Schneider Electric’s Customer Care Center for information on how to contact your local Application Center to update the device. Reboot is required Version 1.1.18 of Easergy C5 includes a fix for this vulnerability. Contact Schneider Electric’s Customer Care Center for information on how to contact your local Application Center to update the device. Reboot is required Version P139.678.700 Easergy MiCOM P139 includes a fix for this vulnerability. Contact Schneider Electric’s Customer Care Center for information on how to contact your local Application Center to update the device. Version P439.678.700 Easergy MiCOM P439 includes a fix for this vulnerability. Contact Schneider Electric’s Customer Care Center for information on how to contact your local Application Center to update the device. Version P539.678.700 Easergy MiCOM P539 includes a fix for this vulnerability. Contact Schneider Electric’s Customer Care Center for information on how to contact your local Application Center to update the device. Version P632.678.700 Easergy MiCOM P632 includes a fix for this vulnerability. Contact Schneider Electric’s Customer Care Center for information on how to contact your local Application Center to update the device. Version P633.678.700 Easergy MiCOM P633 includes a fix for this vulnerability. Contact Schneider Electric’s Customer Care Center for information on how to contact your local Application Center to update the device. Version P634.680.701 Easergy MiCOM P634 includes a fix for this vulnerability. Contact Schneider Electric’s Customer Care Center for information on how to contact your local Application Center to update the device. Version P633.680.701 Easergy MiCOM P633 includes a fix for this vulnerability. Contact Schneider Electric’s Customer Care Center for information on how to contact your local Application Center to update the device. Version P138.677.701 Easergy MiCOM P138 includes a fix for this vulnerability. Contact Schneider Electric’s Customer Care Center for information on how to contact your local Application Center to update the device. Version C434.679.700 Easergy MiCOM C434 includes a fix for this vulnerability. Contact Schneider Electric’s Customer Care Center for information on how to contact your local Application Center to update the device. HUe Firmware version 11.06.31 includes a fix for this vulnerability and is available for download here: . Contact Schneider Electric’s Customer Care Center to download this software. A reboot is needed to complete the firmware upgrade Version 6.4.610.500.101 of EPAS Gateway includes a fix for this vulnerability. Contact Schneider Electric’s Customer Care Center to download this software Version 3.0.4 of EPAS-UI includes a fix for this vulnerability. Contact Schneider Electric’s Customer Care Center to download this software. EPO 2022 CU 7 of EcoStruxure™ Power Operation includes a fix for this vulnerability and is available for download here: • https://community.se.com/t5/EcoStruxure-PowerOperation/Power-Operation-2022-CU7-is-Now-Available/tdp/524787 Reboot needed: yes EPO 2024 CU 3 of EcoStruxure™ Power Operation includes a fix for this vulnerability and is available for download here: • https://community.se.com/t5/EcoStruxure-PowerOperation/Power-Operation-2024-CU3-is-HERE/td-p/534769 Reboot needed: yes Version 64.2025.0.14 of iPMFLS includes a fix for this vulnerability. Contact Schneider Electric’s Customer Care Center for information on how to contact your local Application Center to update the device. Version V02.503.101 of PowerLogic™ P5 includes a fix for this vulnerability Contact Schneider Electric’s Customer Care Center to download this firmware. Version V02.003.001 of PowerLogic™ P7 includes a fix for this vulnerability Contact Schneider Electric’s Customer Care Center to download this firmware. Version 2.9.5 of PowerLogic™ T300 includes a fix for this vulnerability Contact Schneider Electric’s Customer Care Center to download this firmware. A reboot is needed to complete the firmware upgrade Version 11.08.03 of PowerLogic™ T500 includes a fix for this vulnerability Contact Schneider Electric’s Customer Care Center to download this firmware. A reboot is needed to complete the firmware upgrade CPU866e Firmware version 11.06.37 includes a fix for this vulnerability and is available for download. Contact Schneider Electric’s Customer Care Center to download this firmware. A reboot is needed to complete the firmware upgrade Schneider Electric is establishing a remediation plan for all future versions of the following models of the Easergy MiCOM P30: P437 P532 P631 P634 P436 P438 P638 Future versions will include a fix for this vulnerability. We will update this document when the remediation is available. Until then, customers should immediately apply the following mitigations to reduce the risk of exploit: • Ensure P30 operates within a physically or logically segmented internal network. Access to this network should be tightly controlled using standard security mechanisms such as firewalls, intrusion detection systems (IDS), and other relevant protective measures. • Reduce the “Minimum inactivity period” using the CAE tool to shorten session timeout durations and minimize the risk of unauthorized access due to inactive sessions Schneider Electric is establishing a remediation plan for a future version of the Easergy MiCOM P40 Series model numbers with Protocol Option bit as G, H or L. P_ 4_ _ _ _ _ G_ _ _ _ _ M P_ 4_ _ _ _ _ H_ _ _ _ _ M P_ 4_ _ _ _ _ L _ _ _ _ _ M P_ 4_ _ _ _ _ G_ _ _ _ _ L P_ 4_ _ _ _ _ H_ _ _ _ _ L P_ 4_ _ _ _ _ L _ _ _ _ _ L A future version will include a fix for this vulnerability. We will update this document when the remediation is available. Until then, customers should immediately apply the following mitigations to reduce the risk of exploit: • Ensure P40 operates within a physically or logically segmented internal network. Access to this network should be tightly controlled using standard security mechanisms such as firewalls, intrusion detection systems (IDS), and other relevant protective measures. • Reduce the “Minimum inactivity period” using the CAE tool to shorten session timeout durations and minimize the risk of unauthorized access due to inactive sessions If customers choose not to apply the remediation provided above, they should immediately apply the following mitigations to reduce the risk of exploit:• Ensure P30 operates within a physically or logically segmented internal network. Access to this network should be tightly controlled using standard security mechanisms such as firewalls, intrusion detection systems (IDS), and other relevant protective measures. • Reduce the “Minimum inactivity period” using the CAE tool to shorten session timeout durations and minimize the risk of unauthorized access due to inactive sessions.

Vendor fix or mitigation, quoted from the advisory.

Each CVE in this advisory

CVESeverityKnown exploitedExploit likelihoodWeakness
CVE-2026-48278.3 highNo0.3%Insufficient Entropy (CWE-331)

Severity from the advisory (CVSS), known exploitation from CISA's catalog, exploit likelihood from EPSS (next 30 days).

Affected products

VendorProductAffected versionsFixed
Schneider ElectricEasergy MiCOM C264vers:generic/<=D7.33D7.34
Schneider ElectricEasergy MiCOM P139vers:generic/<=P139.678.700—
Schneider ElectricEasergy MiCOM P437vers:generic/<=P437.678.700—
Schneider ElectricEasergy MiCOM P439vers:generic/<=P439.678.700P439.678.700
Schneider ElectricEasergy MiCOM P532vers:generic/<=P532.678.700—
Schneider ElectricEasergy MiCOM P539vers:generic/<=P539.678.700P539.678.700
Schneider ElectricEasergy MiCOM P631vers:generic/<=P631.678.700—
Schneider ElectricEasergy MiCOM P632vers:generic/<=P632.678.700P632.678.700
Schneider ElectricEasergy MiCOM P633vers:generic/<=P633.678.700, P633.680.700P633.680.701, P633.678.700
Schneider ElectricEasergy MiCOM P634vers:generic/<=P634.678.700, P634.680.700 P634.680.701
Schneider ElectricEasergy MiCOM P138vers:generic/<=P138.677.700P138.677.701
Schneider ElectricEasergy MiCOM P436vers:generic/<=P436.677.701—
Schneider ElectricEasergy MiCOM P438vers:generic/<=P438.677.701—
Schneider ElectricEasergy MiCOM P638vers:generic/<=P638.677.700—
Schneider ElectricEasergy MiCOM C434vers:generic/<=C434.679.700C434.679.700
Schneider ElectricEcoStruxure Power Automation System Gateway (EPAS-GTW)vers:intdot/<=6.4.616.200.1006.4.610.500.101
Schneider ElectricEcoStruxure Power Automation System User Interface (EPAS-UI)vers:intdot/<=3.0.3—
Schneider ElectricEcoStruxure Power Operationvers:generic/<=2022_CU6, vers:generic/<=2024_CU22022_CU7
Schneider ElectriciPMFLSvers:intdot/<=64.2025.0.1364.2025.0.14
Schneider ElectricPowerLogic P5 Protection Relayvers:intdot/<=02.502.10302.503.101
Schneider ElectricPowerLogic P7 Protection and Control Platformvers:intdot/<=02.002.00202.003.001
Schneider ElectricPowerLogic T300vers:intdot/<=2.9.42.9.5
Schneider ElectricPowerLogic T500vers:intdot/<=11.08.0211.08.03
Schneider ElectricSaitel DP——
Schneider ElectricEasyLogic T150 (formerly Saitel DR)——
Schneider ElectricEasergy C5vers:intdot/<=1.1.171.1.18
Schneider ElectricEasergy MiCOM P139 version —P139.678.700
Schneider ElectricSaitel DR——
Schneider ElectricEcoStruxure Power Automation Automation System User Interface (EPAS-UI)—3.0.4
Schneider ElectricEcoStruxure Power Operation (EPO)—2024_CU3
Schneider ElectricEasergy MiCOM P40 Seriesvers:all/*—

Why it's on these mode pages

  • Pipeline: Vendor table: Schneider Electric (matched by rule)

Change history

  1. May 12, 2026: Original Release
  2. June 18, 2026: CISA Republication - Initial CISA Republication of Schneider Electric CPCERT SEVD-2026-132-02 advisory
  3. August 25, 2026: Removed PowerChute Serial Shutdown as the product is not part of the Security Notification.
  4. September 3, 2026: CISA Republication update based on Schneider Electric CPCERT SEVD-2026-132-02 advisory
  5. November 9, 2026: First collected by Watch

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