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.
CVE-2025-56764
CVSS base score
5.3 (v3.1)
Severity
MEDIUM
Attack vector
Network
Weakness
CWE-204
Last modified
November 5, 2026
CVSS 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 firmware
References
- github.com
- github.com Mitigation, Third Party Advisory