Description
Stack-based buffer overflow in an ActiveX control in KVWebSvr.dll in WellinTech KingView 6.52 and 6.53 allows remote attackers to execute arbitrary code via a long second argument to the ValidateUser method.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- KingView 6.5.3 SCADA - ActiveX EDB-16936 · remote · Mar 7, 2011 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- ICSA-11-074-01 WellinTech KingView 6.53 KVWebSvr ActiveX CISA ICS & IT advisories · Jun 9, 2025
References
- http://www.scadahacker.com/exploits-wellintech-kvwebsvr.html
- http://www.us-cert.gov/control_systems/pdf/ICSA-11-074-01.pdf
- http://www.cnvd.org.cn/vulnerability/CNVD-2011-04541
- 16936 exploit
- 46757 vdb-entry
- 72889 vdb-entry
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-066-01.pdf
- http://www.kingview.com/news/detail.aspx?contentid=537