CVE-2010-3135: Cisco Packet Tracer

High severity, CVSS 9.3. EPSS: 8.2% chance of exploitation in the next 30 days.

Untrusted search path vulnerability in Cisco Packet Tracer 5.2 allows local users, and possibly remote attackers, to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse wintab32.dll that is located in the same folder as a .pkt or .pkz file.

Affected products

• Cisco Packet Tracer: version 5.2 only

Published 2010-08-26. Last modified 2026-06-16.