How severe is CVE-2025-56764?

CVE-2025-56764 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-56764 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-56764?

CVE-2025-56764 affects Trivisionsecurity Trivision Nc-227wf Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-56764?

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

Does CVE-2025-56764 have an EU (EUVD) identifier?

Yes. CVE-2025-56764 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31613.

When was CVE-2025-56764 published?

CVE-2025-56764 was published on 2025-09-29 and last updated on 2026-06-17.

CVE-2025-56764

CVE-2025-56764 is a medium-severity vulnerability in Trivisionsecurity Trivision Nc-227wf Firmware with a CVSS 3.x base score of 5.3. 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-204.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-31613
Weakness: CWE-204
Affected product: Trivisionsecurity Trivision Nc-227wf Firmware
Published: 2025-09-29
Last modified: 2026-06-17

Description

Trivision NC-227WF firmware 5.80 (build 20141010) login mechanism reveals whether a username exists or not by returning different error messages ("Unknown user" vs. "Wrong password"), allowing an attacker to enumerate valid usernames.

Frequently asked questions

What is CVE-2025-56764?: Trivision NC-227WF firmware 5.80 (build 20141010) login mechanism reveals whether a username exists or not by returning different error messages ("Unknown user" vs. "Wrong password"), allowing an attacker to enumerate valid usernames.
How severe is CVE-2025-56764?: CVE-2025-56764 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-56764 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-56764?: CVE-2025-56764 affects Trivisionsecurity Trivision Nc-227wf Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-56764?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-56764 have an EU (EUVD) identifier?: Yes. CVE-2025-56764 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31613.
When was CVE-2025-56764 published?: CVE-2025-56764 was published on 2025-09-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:trivisionsecurity:trivision_nc-227wf_firmware:5.80:*:*:*:*:*:*:*

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