How severe is CVE-2025-64389?

CVE-2025-64389 has a CVSS 4.0 base score of 8.3, rated high severity.

Is CVE-2025-64389 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-64389?

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-2025-64389 have an EU (EUVD) identifier?

Yes. CVE-2025-64389 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37356.

When was CVE-2025-64389 published?

CVE-2025-64389 was published on 2025-10-31 and last updated on 2026-06-17.

CVE-2025-64389

CVE-2025-64389 is a high-severity vulnerability with a CVSS 4.0 base score of 8.3. 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-319.

Key facts

Severity: High (CVSS 4.0 base score 8.3)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-37356
Weakness: CWE-319
Published: 2025-10-31
Last modified: 2026-06-17

Description

The web server of the device performs exchanges of sensitive information in clear text through an insecure protocol.

Frequently asked questions

What is CVE-2025-64389?: The web server of the device performs exchanges of sensitive information in clear text through an insecure protocol.
How severe is CVE-2025-64389?: CVE-2025-64389 has a CVSS 4.0 base score of 8.3, rated high severity.
Is CVE-2025-64389 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-64389?: 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-2025-64389 have an EU (EUVD) identifier?: Yes. CVE-2025-64389 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37356.
When was CVE-2025-64389 published?: CVE-2025-64389 was published on 2025-10-31 and last updated on 2026-06-17.

References

Other CWE-319 (Cleartext Transmission of Sensitive Information) vulnerabilities

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