Vulnerability in Trivisionsecurity Trivision Nc-227wf
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.
EPSS: 0.002 (15.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Trivisionsecurity Trivision_nc-227wf
- Trivisionsecurity Trivision_nc-227wf_firmware — versions 5.80
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, Mitigation)
- cve@mitre.org
Frequently asked questions
- What is CVE-2025-56764?
- CVE-2025-56764 is a medium-severity vulnerability in Trivisionsecurity Trivision Nc-227wf, classified under Observable Response Discrepancy. CVSS score: 5.3/10. Published 2025-09-29.
- How severe is CVE-2025-56764?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2025-56764 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.