CVE-2022-3429 Denial of service in Printer G263DNS

Medium 6.5 Published 27 Oct 2023 Updated 9 Sep 2024

Attackers can cause a denial of service in Lenovo printers by sending malformed strings to an open port, preventing proper function.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-3429?

CVE-2022-3429 is a medium-severity denial of service vulnerability in Lenovo Printer G263DNS, published on 27 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A denial-of-service vulnerability was found in the firmware used in Lenovo printers, where users send illegal or malformed strings to an open port, triggering a denial of service that causes a display error and prevents the printer from functioning properly.

Weakness: CWE-20

Which versions are affected by CVE-2022-3429?

It affects 3 products.

Products include Lenovo G263dns Firmware, Lenovo Gm265dn Firmware, Lenovo Gm266dns Firmware.

How do I fix CVE-2022-3429?

No fix has been published for CVE-2022-3429 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-2022-3429 being exploited?

There is no known exploitation of CVE-2022-3429 in the wild and no public exploit code.

Sources

Also known as GHSA-mm89-gccr-q279.