CVE-2018-20410: Wellintech Kingscada

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

WellinTech KingSCADA before 3.7.0.0.1 contains a stack-based buffer overflow. The vulnerability is triggered when sending a specially crafted packet to the AlarmServer (AEserver.exe) service listening on TCP port 12401.

Affected products

• Wellintech Kingscada: before 3.7.0.0.1 (fixed in 3.7.0.0.1)

Published 2018-12-24. Last modified 2026-06-17.