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Vulnerabilities

Vulnerability · CVE-2025-40653

User enumeration vulnerability in M3M Printer Server Web.

Published May 26, 2025 · catalog updated May 27, 2025 · M3M M3M Printer Server Web

Check this week

CVE-2025-40653 is not in CISA KEV. FIRST estimates a 40.00% chance of exploitation in the next 30 days. Check whether you run M3M M3M Printer Server Web.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
40.00%
Remediation
Vendor / distro source
Affected products
vendor M3M M3M Printer Server Web all versions

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor M3M M3M Printer Server Web all versionsall versions

How to fix CVE-2025-40653

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-40653 is not in CISA KEV. FIRST estimates a 40.00% chance of exploitation in the next 30 days. Check whether you run M3M M3M Printer Server Web.

Which versions are affected?

Compare what you have installed with M3M M3M Printer Server Web all versions all versions. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 40.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 26, 2025 · EUVD

    Detected

    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.

  2. May 27, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-40653

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-27975

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog May 27, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.