Medium severity6.5NVD Advisory· Published Apr 18, 2018· Updated Jun 17, 2026
CVE-2018-7758
CVE-2018-7758
Description
A denial of service vulnerability exists in Schneider Electric's MiCOM Px4x (P540 range excluded) with legacy Ethernet board, MiCOM P540D Range with Legacy Ethernet Board, and MiCOM Px4x Rejuvenated could lose network communication in case of TCP/IP open requests on port 20000 (DNP3oE) if an older TCI/IP session is still open with identical IP address and port number.
Affected products
4- Schneider Electric SE/MiCOM P540D Range with Legacy Ethernet Boardv5Range: MiCOM P540D Range with Legacy Ethernet Board, MiCOM Px4x with Legacy Ethernet Board, MiCOM Px4x Rejuvenated
Patches
Vulnerability mechanics
References
3- www.schneider-electric.com/en/download/document/SEVD-2018-074-02/nvdVendor Advisory
- www.schneider-electric.com/en/download/document/SEVD-2018-074-03/nvdVendor Advisory
- www.schneider-electric.com/en/download/document/SEVD-2018-074-04/nvdVendor Advisory
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