Vulnerability · Published Sep 15, 2026 · Assigned by VulnCheck

CVE-2026-76873Netcore NR255-V 1.5.130703 Stored Cross-Site Scripting via DHCP and ARP Hostname Fields

Medium 5.2

In plain English

A medium-severity cross-site scripting in NR255-V from Netcore. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).

Severity (CVSS 3.1)5.2Medium
Exploit odds (30 days)0.2%top 85.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Netcore NR255-V 1.5.130703

Weakness: CWE-79 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References