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Vulnerability record · CVE-2018-7240 · published 18 April 2018

CVE-2018-7240: Schneider-electric 140cpu65150 firmware out-of-bounds write vulnerability

Schneider Electric · 140cpu65150 Firmware

A vulnerability exists in Schneider Electric's Modicon Quantum in all versions of the communication modules which could allow arbitrary code execution. An FTP command used to upgrade the firmware of the module can be misused to cause a denial of service, or in extreme cases, to load a malicious firmware.

8.8 CVSS 3.0 High EPSS 3.3% · top 12.1% CWE-787 · Out-of-bounds write
8.8CVSS 3.0 base score, v2 6.5
3.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
13Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

A vulnerability exists in Schneider Electric's Modicon Quantum in all versions of the communication modules which could allow arbitrary code execution. An FTP command used to upgrade the firmware of the module can be misused to cause a denial of service, or in extreme cases, to load a malicious firmware.

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

Affected products

13 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/103541 Third Party AdvisoryVDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-086-01 Third Party AdvisoryUS Government Resource
https://www.schneider-electric.com/en/download/document/SEVD-2018-081-01/ Vendor Advisory
http://www.securityfocus.com/bid/103541 Third Party AdvisoryVDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-086-01 Third Party AdvisoryUS Government Resource
https://www.schneider-electric.com/en/download/document/SEVD-2018-081-01/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-7240), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.