CVE-2011-4536: Wellintech Kingview

High severity, CVSS 10.0. EPSS: 8.5% chance of exploitation in the next 30 days.

Heap-based buffer overflow in nettransdll.dll in HistorySvr.exe (aka HistoryServer.exe) in WellinTech KingView 6.53 and 65.30.2010.18018 allows remote attackers to execute arbitrary code via a crafted op-code 3 packet.

Affected products

• Wellintech Kingview: version 6.53 only; version 65.30.2010.18018 only

Published 2011-12-27. Last modified 2026-06-16.