Vulnerability · Published Oct 12, 2026 · Assigned by VulDB
CVE-2026-108931Netcore NR268 DHCP dhcp_dynamicip_show.cgi eval cross site scripting
Medium 4.3
In plain English
A medium-severity cross-site scripting in NR268 from Netcore. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).
Official description
A vulnerability was found in Netcore NR268 1.7.121109. This affects the function eval of the file dhcp_dynamicip_show.cgi of the component DHCP Handler. The manipulation of the argument Hostname results in cross site scripting. The attack may be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products (as reported)
Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
References
- VDB-416755 | Netcore NR268 DHCP dhcp_dynamicip_show.cgi eval cross site scripting vdb-entry, technical-description
- VDB-416755 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-108931 | CVE Analysis and Report third-party-advisory
- Submit #977180 | Netcore NR268 Router NR268-V1.7.121109.bin Stored Cross-Site Scripting third-party-advisory
- https://github.com/draw-ctf/report/blob/main/NR268/2026.09.14-netcore-nr268-dhcp-dns-stored-xss.md exploit