CVE-2011-3142

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 38.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2011-08-16 · updated 2026-06-16
Weakness: CWE-119

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.

Affected products

WellinTech Kingview: 6.52, 6.53

References

http://www.cnvd.org.cn/vulnerability/CNVD-2011-04541
http://www.exploit-db.com/exploits/16936
http://www.kingview.com/news/detail.aspx?contentid=537
http://www.osvdb.org/72889
http://www.scadahacker.com/exploits-wellintech-kvwebsvr.html
http://www.securityfocus.com/bid/46757
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-066-01.pdf
http://www.us-cert.gov/control_systems/pdf/ICSA-11-074-01.pdf
http://www.cnvd.org.cn/vulnerability/CNVD-2011-04541
http://www.exploit-db.com/exploits/16936
http://www.kingview.com/news/detail.aspx?contentid=537
http://www.osvdb.org/72889

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