CVE-2026-76873

Medium CVSS 5.2

Published 2026-09-15 · last changed 2026-09-16

The fix

We hold no Microsoft remediation data for CVE-2026-76873, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

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.

Sources

NVD record for CVE-2026-76873

CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N