CVE-2025-56764 Information disclosure in n/a

Medium 5.3 Published Updated

The login mechanism reveals valid usernames through distinct error messages, allowing attackers to enumerate accounts on the device.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-56764?

CVE-2025-56764 is a medium-severity vulnerability in n/a, published on 29 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-204

Which versions are affected by CVE-2025-56764?

It affects 1 product.

Products include Trivisionsecurity Trivision Nc-227wf Firmware.

How do I fix CVE-2025-56764?

No fix has been published for CVE-2025-56764 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-56764 being exploited?

There is no known exploitation of CVE-2025-56764 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-c22h-wwm4-7x2j.

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