CVE-2026-76867

Netcore NR255-V firmware version 1.5.130703 contains a stored cross-site scripting vulnerability in routing and NAT configuration CGI components including routing_tab_add_cgi, routing_table_list_show_cgi, route_policy_add_cgi, and route_policy_parame_show_cgi. Attackers can inject persistent script payloads through these route and NAT configuration pages, which are then executed in the context of users viewing the affected pages.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-route-nat-stored-xss.md
https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-stored-cross-site-scripting-in-route-nat-configuration-cgi-handlers

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-15 22:17

Updated : 2026-09-15 22:17

NVD link : CVE-2026-76867

Mitre link : CVE-2026-76867

CVE.ORG link : CVE-2026-76867

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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