CVE-2011-0340: Advantech Studio

High severity, CVSS 9.3. EPSS: 32.3% chance of exploitation in the next 30 days.

Multiple buffer overflows in the ISSymbol ActiveX control in ISSymbol.ocx 61.6.0.0 and 301.1009.2904.0 in the ISSymbol virtual machine, as distributed in Advantech Studio 6.1 SP6 61.6.01.05, InduSoft Web Studio before 7.0+SP1, and InduSoft Thin Client 7.0, allow remote attackers to execute arbitrary code via a long (1) InternationalOrder, (2) InternationalSeparator, or (3) LogFileName property value; or (4) a long bstrFileName argument to the OpenScreen method.

Affected products

• Advantech Advantech Studio: version 6.1 only
• InduSoft Thin Client: version 7.0 only
• InduSoft Web Studio: up to and including 7.0; version 6.1 only

Published 2011-05-04. Last modified 2026-06-16.