CVE-2021-27486: Fatek Winproladder

High severity, CVSS 7.8. EPSS: 1% chance of exploitation in the next 30 days.

FATEK Automation WinProladder Versions 3.30 and prior is vulnerable to an integer underflow, which may cause an out-of-bounds write and allow an attacker to execute arbitrary code.

Affected products

• Fatek Winproladder: up to and including 3.30

Published 2021-04-12. Last modified 2026-06-17.