Insufficiently protected credentials issue exists in AIPHONE IX SYSTEM and IXG SYSTEM. A network-adjacent unauthenticated attacker may obtain sensitive information such as a username and its password in the address book.
https://www.aiphone.net/support/software-documents/ixg/
https://www.aiphone.net/support/software-documents/ix/
https://www.aiphone.net/important/20241016_2/