CVE-2026-76854

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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-15 22:16

Updated : 2026-09-15 22:16

NVD link : CVE-2026-76854

Mitre link : CVE-2026-76854

CVE.ORG link : CVE-2026-76854

JSON object : View

Products Affected

No product.

CWE

CWE-522

Insufficiently Protected Credentials

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