Authentication Bypass by Capture-replay vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series main modules allows a remote unauthenticated attacker to cancel the password/keyword setting and login to the affected products by sending specially crafted packets.
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-005_en.pdf
https://www.cisa.gov/news-events/ics-advisories/icsa-23-180-04