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TI-2011-01382 Aliases CVE-2011-1563GHSA-w8wq-c48h-9q7g

Multiple stack-based buffer overflows in the HMI application in DATAC RealFlex RealWin…

Priority HIGH 81CWE-119Published · 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-119 and the CVSS impact.

Summary

Multiple stack-based buffer 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 (1) a long username in an On_FC_CONNECT_FCS_LOGIN packet, and crafted (2) On_FC_CTAGLIST_FCS_CADDTAG, (3) On_FC_CTAGLIST_FCS_CDELTAG, (4) On_FC_CTAGLIST_FCS_ADDTAGMS, (5) On_FC_RFUSER_FCS_LOGIN, (6) unspecified "On_FC_BINFILE_FCS_*FILE", (7) On_FC_CGETTAG_FCS_GETTELEMETRY, (8) On_FC_CGETTAG_FCS_GETCHANNELTELEMETRY, (9) On_FC_CGETTAG_FCS_SETTELEMETRY, (10) On_FC_CGETTAG_FCS_SETCHANNELTELEMETRY, and (11) On_FC_SCRIPT_FCS_STARTPROG packets to port 910.

Why it matters now

EPSS 0.74638 99th percentileScored 2026-11-07
Public exploit Yes 7 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:realflex:realwin:*:*:*:*:*:*:*:*up to 2.1VulnerableRealflex
cpe:2.3:a:realflex:realwin:1.06:*:*:*:*:*:*:*1.06VulnerableRealflex
cpe:2.3:a:realflex:realwin:2.0:*:*:*:*:*:*:*2.0VulnerableRealflex
  • cpe:2.3:a:realflex:realwin:*:*:*:*:*:*:*:* Versions up to 2.1 Vulnerable ·Realflex
  • cpe:2.3:a:realflex:realwin:1.06:*:*:*:*:*:*:* Versions 1.06 Vulnerable ·Realflex
  • cpe:2.3:a:realflex:realwin:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Realflex

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-1563
  2. 2026-10-03 Alias added: GHSA-w8wq-c48h-9q7g

References

Exploit 7

Advisory 2

Other 1

  • 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-2011-01383 Multiple integer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build… 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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences