Out-of-bounds write in Schneider Electric Modicon Quantum
Priority MEDIUM 44CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
A vulnerability exists in Schneider Electric's Modicon Quantum in all versions of the communication modules which could allow arbitrary code execution. An FTP command used to upgrade the firmware of the module can be misused to cause a denial of service, or in extreme cases, to load a malicious firmware.
Why it matters now
EPSS 0.03201 88th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Schneider Electric | Modicon Quantum | All versions of Modicon Quantum communication modules | — | No fix listed | CNA |
- Modicon Quantum VendorSchneider Electric Affected All versions of Modicon Quantum communication modules Fixed in — No fix listed CNA
CPE configurations NVD · 26
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:schneider-electric:140cpu65150_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:140cpu65150:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:140cpu31110_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:140cpu31110:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:140cpu43412u_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:140cpu43412u:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:140cpu65160_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:140cpu65160:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:140cpu65260_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:140cpu65260:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
- cpe:2.3:o:schneider-electric:140cpu65150_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:140cpu65150:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:140cpu31110_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:140cpu31110:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:140cpu43412u_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:140cpu43412u:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:140cpu65160_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:140cpu65160:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:140cpu65260_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:140cpu65260:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
Show 16 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:schneider-electric:140cpu65860_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:140cpu65860:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:140cpu65160s_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:140cpu65160s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:140cpu65150c_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:140cpu65150c:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:140cpu31110c_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:140cpu31110c:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:140cpu43412uc_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:140cpu43412uc:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:140cpu65160c_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:140cpu65160c:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:140cpu65260c_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:140cpu65260c:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:140cpu65860c_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:140cpu65860c:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
- cpe:2.3:o:schneider-electric:140cpu65860_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:140cpu65860:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:140cpu65160s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:140cpu65160s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:140cpu65150c_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:140cpu65150c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:140cpu31110c_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:140cpu31110c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:140cpu43412uc_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:140cpu43412uc:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:140cpu65160c_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:140cpu65160c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:140cpu65260c_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:140cpu65260c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:140cpu65860c_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:140cpu65860c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-7240
- 2026-10-03 Alias added: GHSA-62m4-6p37-pc95
References
More Schneider Electric 140cpu31110 Firmware vulnerabilities
- TI-2018-05250 Hard-coded credentials in Schneider Electric Modicon Premium, Modicon Quantum, Modicon… CVSS 3.0CRITICAL 9.8
- TI-2018-05604 Improper input validation in Schneider Electric Modicon M340, Modicon Premium, Modicon… CVSS 3.0CRITICAL 9.8
- TI-2018-05251 Vulnerable hash algorithms exists in Schneider Electric's Modicon Premium, Modicon… CVSS 3.0CRITICAL 9.8
- TI-2018-05603 Improper authentication in Schneider Electric Modicon M340, Modicon Premium, Modicon… CVSS 3.0CRITICAL 9.8
- TI-2018-05605 Memory corruption in Schneider Electric Modicon M340, Modicon Premium, Modicon Quantum… CVSS 3.0HIGH 7.5
- TI-2018-05602 Memory corruption in Schneider Electric Modicon M340, Modicon Premium, Modicon Quantum… CVSS 3.0HIGH 7.5
Sources
- CVE-2018-7240 · CVE Program
- CVE-2018-7240 · NVD
- FIRST EPSS
- GHSA-62m4-6p37-pc95 · 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