Improper Input Validation Vulnerability in Schneider Electric's Product
CVE-2025-3116

7.1HIGH

Key Information:

Vendor

Schneider Electric
Status
Modicon Controllers M241/m251
Modicon Controllers M258 / Lmc058
Vendor
CVE Published:
10 June 2025

What is CVE-2025-3116?

An improper input validation vulnerability exists in Schneider Electric's product, which could allow authenticated malicious users to trigger a Denial of Service condition. This vulnerability arises when users send specially crafted malformed HTTPS requests with improperly formatted body data to the controller, potentially disrupting service availability.

Affected Version(s)

Modicon Controllers M241/M251 Versions prior to 5.3.12.51

Modicon Controllers M258 / LMC058 All Versions

References

https://download.schneider-electric.com/files?p_Doc_Ref=S...

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-3116 : Improper Input Validation Vulnerability in Schneider Electric's Product