CVE-2025-56764

Name: CVE-2025-56764
Creator: NVD / NIST
Published: 2025-09-29T20:15:33.7+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2025-56764 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.24%

15.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-204

Affected Software

Vendor	Product	Versions
Trivisionsecurity	Trivision Nc-227wf Firmware	5.80

References

https://github.com/Remenis/CVE-2025-56764
https://github.com/Remenis/CVE-2025-56764-trivision-nc227wfMitigation, Third Party Advisory

Timeline

Published: Sep 29, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-56764?

How severe is CVE-2025-56764?

CVE-2025-56764 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2025-56764?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-56764?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST