Use of hard-coded cryptographic key issue exists in AIPHONE IX SYSTEM, IXG SYSTEM, and System Support Software. A network-adjacent unauthenticated attacker may log in to SFTP service and obtain and/or manipulate unauthorized files.
https://www.aiphone.net/support/software-documents/ixg/
https://www.aiphone.net/support/software-documents/ix/
https://www.aiphone.net/important/20241016_2/