How severe is CVE-2025-27456?

CVE-2025-27456 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-27456 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27456?

CVE-2025-27456 affects Endress Meac300-fnade4 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-27456?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-27456 have an EU (EUVD) identifier?

Yes. CVE-2025-27456 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19872.

When was CVE-2025-27456 published?

CVE-2025-27456 was published on 2025-07-03 and last updated on 2026-06-17.

CVE-2025-27456

CVE-2025-27456 is a high-severity vulnerability in Endress Meac300-fnade4 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-307.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-19872
Weakness: CWE-307
Affected product: Endress Meac300-fnade4 Firmware
Published: 2025-07-03
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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-force attacks.
How severe is CVE-2025-27456?: CVE-2025-27456 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-27456 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27456?: CVE-2025-27456 affects Endress Meac300-fnade4 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-27456?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-27456 have an EU (EUVD) identifier?: Yes. CVE-2025-27456 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19872.
When was CVE-2025-27456 published?: CVE-2025-27456 was published on 2025-07-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:endress:meac300-fnade4_firmware:*:*:*:*:*:*:*:*

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