How severe is CVE-2018-7240?

CVE-2018-7240 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-7240 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7240?

CVE-2018-7240 primarily affects Schneider-electric 140cpu65150 Firmware. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-7240?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-7240 published?

CVE-2018-7240 was published on 2018-04-18 and last updated on 2026-06-17.

CVE-2018-7240

CVE-2018-7240 is a high-severity vulnerability in Schneider-electric 140cpu65150 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Schneider-electric 140cpu65150 Firmware
Published: 2018-04-18
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2018-7240?: 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.
How severe is CVE-2018-7240?: CVE-2018-7240 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-7240 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7240?: CVE-2018-7240 primarily affects Schneider-electric 140cpu65150 Firmware. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-7240?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-7240 published?: CVE-2018-7240 was published on 2018-04-18 and last updated on 2026-06-17.

References

Affected products (13)

cpe:2.3:o:schneider-electric:140cpu65150_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu31110_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu43412u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu65160_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu65260_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu65860_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu65160s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu65150c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu31110c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu43412uc_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu65160c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu65260c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu65860c_firmware:-:*:*:*:*:*:*:*

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