Vulnerabilities

Vulnerability · CVE-2025-27456

The SMB server's login mechanism does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it susceptible to brute

Published Jul 3, 2025 · catalog updated Jul 3, 2025 · Endress+Hauser Endress+Hauser MEAC300-FNADE4

Last checked Oct 24, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-27456. EPSS is 0.60%. Act only if a listed version of Endress+Hauser Endress+Hauser MEAC300-FNADE4 is installed.

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.

Same product and reporting

Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.60%
Remediation
Vendor / distro source
Affected products
vendor Endress+Hauser Endress+Hauser MEAC300-FNADE4 vers:all/*

The SMB server's login mechanism does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it susceptible to brute-force attacks.

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 Endress+Hauser Endress+Hauser MEAC300-FNADE4 vers:all/*vers:all/*

How to fix CVE-2025-27456

What to do

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

Should you patch?

No confirmed exploitation is on record for CVE-2025-27456. EPSS is 0.60%. Act only if a listed version of Endress+Hauser Endress+Hauser MEAC300-FNADE4 is installed.

Which versions are affected?

Compare what you have installed with Endress+Hauser Endress+Hauser MEAC300-FNADE4 vers:all/* vers:all/*. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.60%. 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. Jul 3, 2025 · EUVD

    Detected

    The SMB server's login mechanism does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it susceptible to brute-force attacks.

  2. Jul 3, 2025 · EUVD

    Updated

    The SMB server's login mechanism does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it susceptible to brute-force attacks.

Sources

  • CVE.orgVulnerability recordCVE-2025-27456

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-27456

    30-day exploitation probability 0.60%

    first.org
  • EUVDVulnerability recordEUVD-2025-19872

    The SMB server's login mechanism does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it susceptible to brute-force attacks.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 24, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 24, 2026
  • CVE.orgOct 21, 2026
  • EUVDOct 20, 2026