Buffer overflow in Netcore Nr268
CVE-2026-108906
A vulnerability has been found in Netcore NR268 1.7.121109. This affects the function filter_arp_put_file_cgi of the file /router/filter_arp_put_file.cgi. The manipulation of the argument put_file leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Buffer Overflow
Published .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
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
- vuldb.com/vuln/416700 (technical-description, vdb-entry)
- vuldb.com/vuln/416700/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-108906 (third-party-advisory)
- vuldb.com/submit/977172 (third-party-advisory)
- github.com/draw-ctf/report/blob/main/NR268/2026.09.14-netcore-nr268-arp-import-… (exploit)
Frequently asked questions
- What is CVE-2026-108906?
- CVE-2026-108906 is a high-severity vulnerability in Netcore Nr268, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.2/10. Published 2026-10-12.
- How severe is CVE-2026-108906?
- High severity. CVSS v3 base score is 7.2 out of 10.