Multiple buffer overflows in Schneider Electric Modicon Quantum PLC allow remote…
Priority MEDIUM 41CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Multiple buffer overflows in Schneider Electric Modicon Quantum PLC allow remote attackers to cause a denial of service via malformed requests to the (1) FTP server or (2) HTTP server.
Why it matters now
EPSS 0.04842 92nd 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:schneider-electric:modicon_quantum_plc:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
- cpe:2.3:h:schneider-electric:modicon_quantum_plc:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2012-0929
- 2026-10-03 Alias added: GHSA-8fvq-hw25-74j6
References
More Schneider Electric Modicon Quantum Plc vulnerabilities
- TI-2012-00856 Schneider Electric Modicon Quantum PLC does not perform authentication between the Unity… CVSS 3.1CRITICAL 9.8
- TI-2013-00555 The FactoryCast service on the Schneider Electric Quantum 140NOE77111 and 140NWM10000… CVSS 2.0HIGH 8.5
- TI-2013-00554 Cross-site request forgery (CSRF) vulnerability on the Schneider Electric Quantum… CVSS 2.0MEDIUM 6.8
- TI-2012-00855 Cross-site scripting (XSS) vulnerability in Schneider Electric Modicon Quantum PLC allows… CVSS 3.1MEDIUM 6.1
Sources
- CVE-2012-0929 · CVE Program
- CVE-2012-0929 · NVD
- FIRST EPSS
- GHSA-8fvq-hw25-74j6 · GitHub Advisory Database · CC BY 4.0
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