How severe is CVE-2025-27459?

CVE-2025-27459 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-27459 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27459?

CVE-2025-27459 affects Endress Meac300-fnade4 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-27459?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-27459 have an EU (EUVD) identifier?

Yes. CVE-2025-27459 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19869.

When was CVE-2025-27459 published?

CVE-2025-27459 was published on 2025-07-03 and last updated on 2026-06-17.

CVE-2025-27459

CVE-2025-27459 is a medium-severity vulnerability in Endress Meac300-fnade4 Firmware with a CVSS 3.x base score of 4.4. 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-257.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-19869
Weakness: CWE-257
Affected product: Endress Meac300-fnade4 Firmware
Published: 2025-07-03
Last modified: 2026-06-17

Description

The VNC application stores its passwords encrypted within the registry but uses DES for encryption. As DES is broken, the original passwords can be recovered.

Frequently asked questions

What is CVE-2025-27459?: The VNC application stores its passwords encrypted within the registry but uses DES for encryption. As DES is broken, the original passwords can be recovered.
How severe is CVE-2025-27459?: CVE-2025-27459 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-27459 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27459?: CVE-2025-27459 affects Endress Meac300-fnade4 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-27459?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-27459 have an EU (EUVD) identifier?: Yes. CVE-2025-27459 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19869.
When was CVE-2025-27459 published?: CVE-2025-27459 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:*:*:*:*:*:*:*:*

More vulnerabilities in Endress Meac300-fnade4 Firmware

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CVE-2025-27456 — High (CVSS 7.5): The SMB server's login mechanism does not implement sufficient measures to prevent multiple failed authentication…
CVE-2025-27449 — High (CVSS 7.5): The MEAC300-FNADE4 does not implement sufficient measures to prevent multiple failed authentication attempts within a…
CVE-2025-1710 — High (CVSS 7.5): The maxView Storage Manager does not implement sufficient measures to prevent multiple failed authentication attempts…

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