CVE-2025-40653

User enumeration vulnerability in M3M Printer Server Web. This issue occurs during user authentication, where a difference in error messages could allow an attacker to determine whether a username is valid or not, allowing a brute force attack on valid usernames.

More information : https://www.incibe.es/en/incibe-cert/notices/aviso/user-enumeration-m3m-printer-server-web