CVE-2026-76854

MEDIUM NVD

CVSS Score 6.5

Severity MEDIUM

Published Sep 15, 2026

Vendor unknown

Description

Netcore NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in l7_web_auth_user_show.cgi related to captive-portal credential handling. Attackers can query this component to obtain captive-portal user credentials, compromising confidentiality of authenticated network access.

References

https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-captive-portal-cred-disclosure.md
https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-sensitive-information-disclosure-via-l7-web-auth-user-show-cgi