Information disclosure in M3m Printer Server Web

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.

EPSS: 0.004 (27.8th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-40653?
CVE-2025-40653 is a vulnerability in M3m Printer Server Web, classified under Generation of Error Message Containing Sensitive Information. Published 2025-05-26.
Is CVE-2025-40653 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.