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CVE-2025-3116

MEDIUM
6.5
CVSS Score
Published: June 10, 2025 at 08:34 AM UTC
Updated: June 17, 2026 at 09:19 AM UTC
4 products affected across 1 vendorModicon M241Modicon M251Modicon M258

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

CWE-20: Improper Input Validation vulnerability exists that could cause Denial of Service when an authenticated malicious user sends special malformed HTTPS request containing improper formatted body data to the controller.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Modicon LMC058· Schneider Electric
60%
All versions
Modicon M241· Schneider Electric
60%
v < 5.3.12.51
Affected range stops below 5.3.12.51, so it looks safe — our inference, not a vendor statement
Modicon M251· Schneider Electric
60%
v < 5.3.12.51
Affected range stops below 5.3.12.51, so it looks safe — our inference, not a vendor statement
Modicon M258· Schneider Electric
60%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: [email protected]
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2025-161-02&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2025-161-02.pdf

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMschneider
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-20

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