CVE-2019-13558: Advantech Webaccess

Critical severity, CVSS 9.8. EPSS: 2.9% chance of exploitation in the next 30 days.

In WebAccess versions 8.4.1 and prior, an exploit executed over the network may cause improper control of generation of code, which may allow remote code execution, data exfiltration, or cause a system crash.

Affected products

• Advantech Webaccess: up to and including 8.4.1

Published 2019-09-18. Last modified 2026-06-17.