CVE-2011-4040: Njstar Communicator

High severity, CVSS 10.0. EPSS: 65.3% chance of exploitation in the next 30 days.

Buffer overflow in MiniSmtp 3.0.11818 in NJStar Communicator allows remote attackers to execute arbitrary code via a crafted packet.

Affected products

• Njstar Njstar Communicator: version 3.0.11818 only

Published 2011-11-21. Last modified 2026-06-16.