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Vulnerability record · CVE-2011-1564 · published 5 April 2011

CVE-2011-1564: Realflex realwin vulnerability

Realflex · Realwin

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.

10.0 CVSS 2.0 High EPSS 19% · top 2.8% CWE-189 · CWE-189
10.0CVSS 2.0 base score
19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References, 6 tagged exploit
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://aluigi.org/adv/realwin_6-adv.txt Exploit
http://secunia.com/advisories/43848 Vendor Advisory
http://securityreason.com/securityalert/8177
http://www.exploit-db.com/exploits/17025 Exploit
http://www.securityfocus.com/bid/46937 Exploit
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-080-04.pdf US Government Resource
http://www.vupen.com/english/advisories/2011/0742 Vendor Advisory
http://aluigi.org/adv/realwin_6-adv.txt Exploit
http://secunia.com/advisories/43848 Vendor Advisory
http://securityreason.com/securityalert/8177
http://www.exploit-db.com/exploits/17025 Exploit
http://www.securityfocus.com/bid/46937 Exploit
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-080-04.pdf US Government Resource
http://www.vupen.com/english/advisories/2011/0742 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2011-1563DATAC RealFlex RealWin HMI stack buffer overflows via port 910 packetsDATAC RealFlex RealWin 2.1 (Build 6.1.10.10) and earlier contains multiple stack-based buffer overflows in its HMI application, triggered by long or …EPSS 75%analysed10.0CVE-2010-4142DATAC RealWin stack buffer overflow via SCPC packetsDATAC RealWin 2.0 Build 6.1.8.10 and earlier contain multiple stack-based buffer overflows reachable through long SCPC_INITIALIZE, SCPC_INITIALIZE_RF…EPSS 63%analysed6.9CVE-2012-3004Realflex realwin vulnerabilityMultiple untrusted search path vulnerabilities in RealFlex RealWin before 2.1.13, FlexView before 3.1.86, and RealWinDemo before 2.1.13 allow local u…EPSS 0.45%8.4CVE-2013-2094Linux Kernel perf_swevent_init Integer Type Flaw Enables Local Privilege EscalationThe perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, allowing a local user to…KEVEPSS 48%analysed

Source: NIST National Vulnerability Database (record CVE-2011-1564), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.