Modicon M251 Firmware (Schneider-electric) - vulnerabilities (CVEs)
10 CVEs, 0 in the last 30 days, 3 known versions, newest CVE from 2026-03-10. Vendor: Schneider-electric.
CVEs of Modicon M251 Firmware
- CVE-2025-13901 - CVSS 6.9 (medium), 2026-03-10: CWE-404 Improper Resource Shutdown or Release vulnerability exists that could cause partial Denial of Service on Machine Expert protocol when an…
- CVE-2025-13902 - CVSS 5.4 (medium), 2026-03-10: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability exists that could cause condition where…
- CVE-2024-6528 - CVSS 6.1 (medium), 2024-07-11: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability exists that could cause a vulnerability leading to…
- CVE-2021-22699 - CVSS 7.5 (high), 2021-05-26: Improper Input Validation vulnerability exists in Modicon M241/M251 logic controllers firmware prior to V5.1.9.1 that could cause denial of service when…
- CVE-2020-7488 - CVSS 7.5 (high), 2020-04-22: A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists which could leak sensitive information transmitted between the software and…
- CVE-2020-7487 - CVSS 9.8 (critical), 2020-04-22: A CWE-345: Insufficient Verification of Data Authenticity vulnerability exists which could allow the attacker to execute malicious code on the Modicon M218,…
- CVE-2019-6820 - CVSS 8.2 (high), 2019-05-22: A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a modification of device IP configuration (IP address, network…
- CVE-2017-6028 - CVSS 9.8 (critical), 2017-06-30: An Insufficiently Protected Credentials issue was discovered in Schneider Electric Modicon PLCs Modicon M241, all firmware versions, and Modicon M251, all…
- CVE-2017-6026 - CVSS 9.1 (critical), 2017-06-30: 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…
- CVE-2017-6030 - CVSS 6.5 (medium), 2017-06-30: A predictable value range from previous values issue was discovered in Schneider Electric Modicon PLCs Modicon M221, firmware versions prior to Version…
