CVE-2026-76873

Netcore NR255-V version 1.5.130703 contains a stored cross-site scripting vulnerability in the DHCP dynamic IP display and ARP bind list display components handling hostname fields. A LAN-based attacker can inject malicious script through these hostname fields, which is later rendered by network_config.js and network_security.js in the web management interface.

CVSS v3 5.2 MEDIUM

5.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.1 / Impact : 2.7

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

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-dhcp-lan-xss.md
https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-stored-cross-site-scripting-via-dhcp-and-arp-hostname-fields

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-15 22:17

Updated : 2026-09-15 22:17

NVD link : CVE-2026-76873

Mitre link : CVE-2026-76873

CVE.ORG link : CVE-2026-76873

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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