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Vulnerabilities

Vulnerability · CVE-2025-3112

CWE-400: Uncontrolled Resource Consumption vulnerability exists that could cause Denial of Service when an authenticated malicious user sends manipulated HTTPS Content-Length heade

Published Jun 10, 2025 · catalog updated Jun 10, 2025 · Schneider Electric Modicon Controllers M241/M251

Check if you run it

No confirmed exploitation is on record for CVE-2025-3112. EPSS is 0.63%. Act only if a listed version of Schneider Electric Modicon Controllers M241/M251 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.63%
Remediation
Advisory link
Affected products
vendor Schneider Electric Modicon Controllers M241/M251 Versions prior to 5.3.12.51

CWE-400: Uncontrolled Resource Consumption vulnerability exists that could cause Denial of Service when an authenticated malicious user sends manipulated HTTPS Content-Length header to the webserver.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Schneider Electric Modicon Controllers M241/M251 Versions prior to 5.3.12.51Versions prior to 5.3.12.51

How to fix CVE-2025-3112

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-3112. EPSS is 0.63%. Act only if a listed version of Schneider Electric Modicon Controllers M241/M251 is installed.

Which versions are affected?

Compare what you have installed with Schneider Electric Modicon Controllers M241/M251 Versions prior to 5.3.12.51 Versions prior to 5.3.12.51. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.63%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 10, 2025 · EUVD

    Detected

    CWE-400: Uncontrolled Resource Consumption vulnerability exists that could cause Denial of Service when an authenticated malicious user sends manipulated HTTPS Content-Length header to the webserver.

  2. Jun 10, 2025 · EUVD

    Updated

    CWE-400: Uncontrolled Resource Consumption vulnerability exists that could cause Denial of Service when an authenticated malicious user sends manipulated HTTPS Content-Length header to the webserver.

Sources

  • CVE.orgVulnerability recordCVE-2025-3112

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-3112

    30-day exploitation probability 0.6%

    first.org
  • EUVDVulnerability recordEUVD-2025-17631

    CWE-400: Uncontrolled Resource Consumption vulnerability exists that could cause Denial of Service when an authenticated malicious user sends manipulated HTTPS Content-Length header to the webserver.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.