CVE-2011-1563 EXPLOIT
10.0
HIGH · CVSS 2.0 · EPSS 74.6% (pctl 99)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 10.0 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
| EPSS | 74.64% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2011-04-05 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| realflex | realwin |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | DATAC RealWin - Multiple Vulnerabilities | 2011-03-22 |
References
- http://aluigi.org/adv/realwin_2-adv.txt
- http://aluigi.org/adv/realwin_3-adv.txt
- http://aluigi.org/adv/realwin_4-adv.txt
- http://aluigi.org/adv/realwin_5-adv.txt
- http://aluigi.org/adv/realwin_7-adv.txt
- http://aluigi.org/adv/realwin_8-adv.txt
- http://secunia.com/advisories/43848
- http://securityreason.com/securityalert/8176
- http://www.exploit-db.com/exploits/17025
- http://www.securityfocus.com/bid/46937
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-080-04.pdf
- http://www.vupen.com/english/advisories/2011/0742
- http://aluigi.org/adv/realwin_2-adv.txt
- http://aluigi.org/adv/realwin_3-adv.txt
- http://aluigi.org/adv/realwin_4-adv.txt
- http://aluigi.org/adv/realwin_5-adv.txt
- http://aluigi.org/adv/realwin_7-adv.txt
- http://aluigi.org/adv/realwin_8-adv.txt
- http://secunia.com/advisories/43848
- http://securityreason.com/securityalert/8176
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