MM
Product
Modicon M251 Firmware
by Schneider-electric · last CVE Mar 10, 2026
10
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 3High 3Medium 4Low 0
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Add Modicon M251 Firmware to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2020-7487
9.8
1%
Apr 22
A CWE-345: Insufficient Verification of Data Authenticity vulnerability exists which could allow the attacker to execute malicious code on the Modicon M218, M241, M251, and M258…
Affected: All versions, or not specified
CVE-2017-6028
9.8
2%
Jun 30
An Insufficiently Protected Credentials issue was discovered in Schneider Electric Modicon PLCs Modicon M241, all firmware versions, and Modicon M251, all firmware versions
Affected: through 4.0.3.20
CVE-2017-6026
9.1
32%
Jun 30
A Use of Insufficiently Random Values issue was discovered in Schneider Electric Modicon PLCs Modicon M241, firmware versions prior to Version 4.0.5.11, and Modicon M251, firmware…
Affected: through 4.0.3.20
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