CVE-2018-21122 Denial of service in n/a

Medium 6.5 Published Updated

Attackers can cause a denial of service on specific NETGEAR managed switches by exploiting improper input validation.

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-2018-21122?

CVE-2018-21122 is a medium-severity denial of service vulnerability in n/a, published on 22 Apr 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Certain NETGEAR devices are affected by denial of service. This affects GS110EMX before 1.0.0.9, GS810EMX before 1.0.0.5, XS512EM before 1.0.0.6, and XS724EM before 1.0.0.6.

Weakness: CWE-20

Which versions are affected by CVE-2018-21122?

It affects 4 products.

Products include Netgear Gs110emx Firmware, Netgear Gs810emx Firmware, Netgear Xs512em Firmware, Netgear Xs724em Firmware.

How do I fix CVE-2018-21122?

No fix has been published for CVE-2018-21122 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-2018-21122 being exploited?

There is no known exploitation of CVE-2018-21122 in the wild and no public exploit code.

Sources

Also known as GHSA-7cg3-666j-3r3x.

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