Multiple integer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build…
Priority MEDIUM 61CWE-189Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-189 and the CVSS impact.
Summary
Multiple integer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build 6.1.10.10) and earlier allow remote attackers to execute arbitrary code via crafted (1) On_FC_MISC_FCS_MSGBROADCAST and (2) On_FC_MISC_FCS_MSGSEND packets, which trigger a heap-based buffer overflow.
Why it matters now
EPSS 0.18626 97th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2011-1564
- 2026-10-03 Alias added: GHSA-q9fp-549g-2f87
References
More Realflex Realwin vulnerabilities
- TI-2011-01382 Multiple stack-based buffer overflows in the HMI application in DATAC RealFlex RealWin… CVSS 2.0HIGH 10.0
- TI-2010-03897 Multiple stack-based buffer overflows in DATAC RealWin 2.0 Build 6.1.8.10 and earlier… CVSS 2.0HIGH 10.0
- TI-2012-02607 Multiple untrusted search path vulnerabilities in RealFlex RealWin before 2.1.13… CVSS 2.0MEDIUM 6.9
Sources
- CVE-2011-1564 · CVE Program
- CVE-2011-1564 · NVD
- FIRST EPSS
- GHSA-q9fp-549g-2f87 · GitHub Advisory Database · CC BY 4.0
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