Resource exhaustion in Schneider Electric Modicon Controllers M241/m251
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 header to the webserver.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.005 (40.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Schneider Electric Modicon Controllers M241/m251 — versions Versions prior to 5.3.12.51
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-3112?
- CVE-2025-3112 is a medium-severity vulnerability in Schneider Electric Modicon Controllers M241/m251, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2025-06-10.
- How severe is CVE-2025-3112?
- Medium severity. CVSS v3 base score is 6.5 out of 10.