Advantech WebAccess/SCADA, Versions 8.3.5 and prior. Multiple stack-based buffer overflow vulnerabilities, caused by a lack of proper validation of the length of user-supplied data, may allow remote code execution.
https://www.zerodayinitiative.com/advisories/ZDI-19-585/
https://www.zerodayinitiative.com/advisories/ZDI-19-585/