{"cve":"CVE-2018-7758","nvd":{"published":"2018-04-18T20:29:00.623","modified":"2026-06-17T02:03:40.000","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-613"],"references":["https://www.schneider-electric.com/en/download/document/SEVD-2018-074-02/","https://www.schneider-electric.com/en/download/document/SEVD-2018-074-03/","https://www.schneider-electric.com/en/download/document/SEVD-2018-074-04/","https://www.schneider-electric.com/en/download/document/SEVD-2018-074-02/","https://www.schneider-electric.com/en/download/document/SEVD-2018-074-03/"],"products":["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"],"source":"nvd","synced_at":"2026-10-19T20:49:59.483420567+00:00"},"epss":{"cve":"CVE-2018-7758","score":0.00622,"percentile":0.49869,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}