7.1

CVE-2025-3116: schneider electric modicon controllers m241/m251 Improper Input Validation

CVSS: 7.1v4.0HighDeferred
Published 10-06-2025Last modified 10-06-2025
Open JSON

Vulnerability summary

CVE-2025-3116 is a high (CVSS 7.1) Improper Input Validation vulnerability in schneider electric modicon controllers m241/m251. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.8% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v4.0 (CVE.org)
EPSS score
0.46%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-06-2025
    PublishedVulnerability first disclosed.
  2. 10-06-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.46%

Chance of exploitation in the next 30 days

Percentile

39%

Versus all other CVEs

30-day change

+0.01 pp

From 0.45% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.46%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Schneider electric2 products

1 vendor · 2 products

References

1 links