RCE in Netcore Nr268
CVE-2026-108931
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Netcore Nr268 — versions 1.7.121109
Weakness classification (CWE)
References
- github.com/draw-ctf/report/blob/main/NR268/2026.09.14-netcore-nr268-dhcp-dns-st… (exploit)
- vuldb.com/cve/CVE-2026-108931 (third-party-advisory)
- vuldb.com/submit/977180 (third-party-advisory)
- vuldb.com/vuln/416755 (technical-description, vdb-entry)
- vuldb.com/vuln/416755/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-108931?
- CVE-2026-108931 is a medium-severity vulnerability in Netcore Nr268, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-10-12.
- How severe is CVE-2026-108931?
- Medium severity. CVSS v3 base score is 4.3 out of 10.