CVE-2018-6911: Advantech Webaccess

Critical severity, CVSS 9.8. EPSS: 12.8% chance of exploitation in the next 30 days.

The VBWinExec function in Node\AspVBObj.dll in Advantech WebAccess 8.3.0 allows remote attackers to execute arbitrary OS commands via a single argument (aka the command parameter).

Affected products

• Advantech Webaccess: version 8.3.0 only

Published 2018-02-13. Last modified 2026-06-17.