CVE-2025-56764

low-risk

Published 2025-09-29

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.

Do I need to act?

0.05% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.3/10 Medium

NETWORK / LOW complexity

Affected Products (1)

Trivision Nc-227Wf Firmware

Affected Vendors

Trivisionsecurity

References (2)

https://github.com/Remenis/CVE-2025-56764

Mitigation https://github.com/Remenis/CVE-2025-56764-trivision-nc227wf

/ 100

low-risk

Severity 21/34 · High

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal