Uncontrolled resource consumption in Schneider Electric Modicon Controllers M241/M251
Priority LOW 32CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-400.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00659 51st percentileScored 2026-11-07
Fix Fixed Modicon Controllers M241/M251 (Schneider Electric): 5.3.12.51
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Schneider Electric | Modicon Controllers M241/M251 | before 5.3.12.51 | 5.3.12.51 | Patch available | CNA |
- Modicon Controllers M241/M251 VendorSchneider Electric Affected before 5.3.12.51 Fixed in 5.3.12.51 Patch available CNA
Remediation
- Fix · CNA Modicon Controllers M241/M251 (Schneider Electric) Fixed in 5.3.12.51
Timeline
- 2026-10-02 Threatist record created from CVE-2025-3112
- 2026-10-03 Alias added: GHSA-ww37-xgr7-c25p
- 2026-10-26 EPSS moved to the 50th–90th percentile
References
More Schneider Electric vulnerabilities
- TI-2018-05679 SQL injection in U.motion Builder software version 1.3.4 KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05589 Hard-coded credentials in EVlink City , EVlink Parking , and EVlink Smart Wallbox CVSS 3.1CRITICAL 9.8
- TI-2022-15561 OS command injection in Schneider Electric SpaceLogic C-Bus Home Controller CVSS 3.1HIGH 8.8
- TI-2023-04970 Path traversal in Schneider Electric C-Bus Toolkit CVSS 3.1CRITICAL 9.8
- TI-2019-04862 Improper handling of exceptional conditions in Schneider Electric Modicon M580 CVSS 3.1HIGH 7.5
- TI-2018-05690 Improper handling of exceptional conditions in Modicon M580 Modicon M340 Modicon Quantum… CVSS 3.1HIGH 7.5
Sources
- CVE-2025-3112 · CVE Program
- CVE-2025-3112 · NVD
- FIRST EPSS
- GHSA-ww37-xgr7-c25p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences