Schneider Electric Easergy P5 and P3 (Update A)

This updated advisory is a follow-up to the original advisory titled ICSA-22-055-03 Schneider Electric Easergy P5 and P3 that was published February 24, 2022, on the ICS webpage on cisa.gov/ics. This advisory contains mitigations for Use of Hard-coded Credentials, Classic Buffer Overflow, and Improper Input Validation vulnerabilities in Schneider Electric Easergy P5 and P3 medium voltage protection relays.