CVE-2026-108906 Netcore NR268 filter_arp_put_file.cgi filter_arp_put_file_cgi out-of-bounds
Remote attackers can trigger an out-of-bounds read in the Netcore NR268 router's ARP file handler, potentially exposing memory or causing crashes.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108906?
CVE-2026-108906 is a high-severity memory corruption vulnerability in Netcore NR268, published on 12 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2026-108906?
How do I fix CVE-2026-108906?
No fix has been published for CVE-2026-108906 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-108906 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108906 exists.
Sources
Also known as GHSA-h5cj-ppxw-rw3v.