CVE-2025-56764

MEDIUM

Trivision NC-227WF <5.80 - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2025-56764. PoCs published by Remenis.

AI-analyzed exploit summary This repository documents CVE-2025-56764, a username enumeration vulnerability in Trivision NC-227WF firmware 5.80 due to differential error messages during login attempts. It provides details on observed behavior, impact, and mitigation recommendations.

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.

Exploits (1)

nomisec WRITEUP
by Remenis · poc
https://github.com/Remenis/CVE-2025-56764

This repository documents CVE-2025-56764, a username enumeration vulnerability in Trivision NC-227WF firmware 5.80 due to differential error messages during login attempts. It provides details on observed behavior, impact, and mitigation recommendations.

Classification
Writeup 100%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Trivision NC-227WF firmware 5.80 (build 20141010)
No auth needed
Prerequisites: Network access to the target device
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References

Scores

CVSS v3 5.3
EPSS 0.0024
EPSS Percentile 14.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-204
Status published
Products (1)
trivisionsecurity/trivision_nc-227wf_firmware 5.80
Published Sep 29, 2025
Tracked Since Feb 18, 2026