XSS in Netcore Nr255-V
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.
Vulnerability class: XSS (Cross-Site Scripting)
CVSS v3 metric
CVSS v3 base score 5.2 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Netcore Nr255-v — versions 1.5.130703
Weakness classification (CWE)
References
- disclosure@vulncheck.com (third-party-advisory)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-76873?
- CVE-2026-76873 is a medium-severity vulnerability in Netcore Nr255-V, classified under Cross-site Scripting. CVSS score: 5.2/10. Published 2026-09-15.
- How severe is CVE-2026-76873?
- Medium severity. CVSS v3 base score is 5.2 out of 10.