A denial-of-service vulnerability exists in the Rockwell Automation PowerFlex® 527 due to improper traffic throttling in the device. If multiple data packets are sent to the device repeatedly the device will crash and require a manual restart to recover.
https://www.cisa.gov/news-events/ics-advisories/icsa-24-086-02
https://www.rockwellautomation.com/en-us/support/advisory.SD1664.html