Advantech iView, versions 5.6 and prior, is vulnerable to multiple path traversal vulnerabilities that could allow an attacker to create/download arbitrary files, limit system availability, and remotely execute code.
https://www.zerodayinitiative.com/advisories/ZDI-20-847/
https://www.zerodayinitiative.com/advisories/ZDI-20-841/
https://www.zerodayinitiative.com/advisories/ZDI-20-840/