CVE-2023-28338 Denial of service in NETGEAR Nighthawk WiFi6 Router (RAX30)

High 7.5 Published Updated

An attacker can exhaust router resources by sending large multipart requests, causing a denial of service until reboot.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-28338?

CVE-2023-28338 is a high-severity denial of service vulnerability in NETGEAR Nighthawk WiFi6 Router (RAX30), published on 15 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Any request send to a Netgear Nighthawk Wifi6 Router (RAX30)'s web service containing a “Content-Type” of “multipartboundary=” will result in the request body being written to “/tmp/mulipartFile” on the device itself. A sufficiently large file will cause device resources to be exhausted, resulting in the device becoming unusable until it is rebooted.

Weakness: CWE-770

Which versions are affected by CVE-2023-28338?

It affects 1 product.

Products include Netgear Rax30 Firmware.

How do I fix CVE-2023-28338?

No fix has been published for CVE-2023-28338 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-2023-28338 being exploited?

There is no known exploitation of CVE-2023-28338 in the wild and no public exploit code.

Sources

Also known as GHSA-7fqr-w76q-379j.

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