CVE-2025-40653: m3m Printer Server Web

Medium severity, CVSS 6.9. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• m3m m3m Printer Server Web: any version

Published 2025-05-26. Last modified 2026-06-17.