Is CVE-2026-76873 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-76873?

CVE-2026-76873 has a CVSS v3 severity of MEDIUM (5.2).

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CVE-2026-76873

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.