Description

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.

Classification

CVE ID: CVE-2025-40653

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.9

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Affected Products

Vendor: M3M

Product: M3M Printer Server Web

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.06% (probability of being exploited)

EPSS Percentile: 18.78% (scored less or equal to compared to others)

EPSS Date: 2025-06-18 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-40653
https://www.incibe.es/en/incibe-cert/notices/aviso/user-enumeration-m3m-printer-server-web

Timeline