CVE-2026-9216 Insufficient input validation vulnerability exists in certain NETGEAR RAX Models

Low 1.2 Published 8 Sep 2026 Updated 13 Oct 2026

A network-adjacent attacker can crash the management UI of NETGEAR RAX routers, causing a denial of service for administrative access.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-9216?

CVE-2026-9216 is a low-severity denial of service vulnerability in NETGEAR RAX30, published on 8 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An insufficient input validation vulnerability in the listed NETGEAR RAX series models allows a network-adjacent attacker having network access (such as WiFi credentials) to crash the router's management UI. There is no confidentiality or integrity impact. A crash of the router's management UI does not impact the availability of the router's core services like WiFi network.

Weakness: CWE-121

Which versions are affected by CVE-2026-9216?

It affects 5 products.

Products include Netgear Rax30 Firmware, Netgear Rax35 Firmware, Netgear Rax38 Firmware, Netgear Rax40 Firmware, Netgear Raxe300 Firmware.

How do I fix CVE-2026-9216?

No fix has been published for CVE-2026-9216 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-9216 being exploited?

There is no known exploitation of CVE-2026-9216 in the wild and no public exploit code.

Sources

Also known as GHSA-j39v-qjh2-5wqg.