CVE-2017-12706: Advantech Webaccess

Critical severity, CVSS 9.8. EPSS: 3.2% chance of exploitation in the next 30 days.

A stack-based buffer overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Researchers have identified multiple vulnerabilities where there is a lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer, which could allow an attacker to execute arbitrary code under the context of the process.

Affected products

• Advantech Webaccess: up to and including 8.2

Published 2017-08-30. Last modified 2026-06-17.