CVE-2018-7758

6.5 mediumEPSS 0.6%

Medium (6.5) in schneider-electric. EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

6.5 medium

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
CWE: CWE-613
Published: 2018-04-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

schneider-electric:micom_p141_firmware
schneider-electric:micom_p142_firmware
schneider-electric:micom_p143_firmware
schneider-electric:micom_p145_firmware
schneider-electric:micom_p441_firmware
schneider-electric:micom_p442_firmware
schneider-electric:micom_p443_firmware
schneider-electric:micom_p444_firmware
schneider-electric:micom_p445_firmware
schneider-electric:micom_p446_firmware
schneider-electric:micom_p541_firmware
schneider-electric:micom_p542_firmware
schneider-electric:micom_p543_firmware
schneider-electric:micom_p544_firmware
schneider-electric:micom_p545_firmware
schneider-electric:micom_p546_firmware
schneider-electric:micom_p642_firmware
schneider-electric:micom_p643_firmware
schneider-electric:micom_p645_firmware
schneider-electric:micom_p746_firmware
schneider-electric:micom_p841a_firmware
schneider-electric:micom_p841b_firmware
schneider-electric:micom_p849_firmware

References

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