CVE-2020-35233 Denial of service in n/a

Medium 6.5 Published Updated

External attackers can cause denial of service on NETGEAR switches by sending concurrent TFTP connections, forcing device reboots.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-35233?

CVE-2020-35233 is a medium-severity denial of service vulnerability in n/a, published on 10 Mar 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The TFTP server fails to handle multiple connections on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices, and allows external attackers to force device reboots by sending concurrent connections, aka a denial of service attack.

Weakness: CWE-400

Which versions are affected by CVE-2020-35233?

It affects 2 products.

Products include Netgear Gs116e Firmware, Netgear Jgs516pe Firmware.

How do I fix CVE-2020-35233?

No fix has been published for CVE-2020-35233 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-2020-35233 being exploited?

There is no known exploitation of CVE-2020-35233 in the wild and no public exploit code.

Sources

Also known as GHSA-hx9w-frxh-jhfc.

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