CVE-2011-1563

Description

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.

Key data

EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score: 0.74638 (74.6% probability)
Percentile: 99.5%
Scores of: Nov 10, 2026
Model: v2026.06.15

References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

46937 (securityfocus.com)vdb-entry
aluigi.org/adv/realwin_2-adv.txt
aluigi.org/adv/realwin_7-adv.txt
us-cert.gov/control_systems/pdf/ICS-ALERT-11-080-04.pdf
17025 (exploit-db.com)exploit
aluigi.org/adv/realwin_4-adv.txt
43848 (secunia.com)third-party-advisory
ADV-2011-0742 (vupen.com)vdb-entry
aluigi.org/adv/realwin_8-adv.txt
aluigi.org/adv/realwin_5-adv.txt
aluigi.org/adv/realwin_3-adv.txt
8176 (securityreason.com)third-party-advisory

Timeline

ID reservedApr 5, 2011
Record publishedApr 5, 2011
Record last updatedAug 6, 2024

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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:46 UTC. Sources and licenses