CVE-2026-108908 Netcore NR268 Web UI l7_call_board_user_set.cgi eval cross site scripting
Remote attackers can inject malicious scripts via the Web UI, potentially executing code or bypassing security controls on Netcore NR268 routers.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-108908?
CVE-2026-108908 is a medium-severity cross-site scripting vulnerability in Netcore NR268, published on 12 Oct 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
A vulnerability was identified in Netcore NR268 1.7.121109. Affected by this vulnerability is the function eval of the file /router/l7_call_board_user_set.cgi of the component Web UI. Such manipulation of the argument title/note/URL/content leads to cross site scripting. The attack can be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-108908?
How do I fix CVE-2026-108908?
No fix has been published for CVE-2026-108908 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-108908 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108908 exists.
Sources
Also known as GHSA-g6vv-rvqm-27w3.