In Moxa NPort 5210, 5230, and 5232 versions 2.9 build 17030709 and prior, the amount of resources requested by a malicious actor are not restricted, allowing for a denial-of-service condition.Referenceshttp://www.securityfocus.com/bid/104863https://ics-cert.us-cert.gov/advisories/ICSA-18-200-04