CVE-2022-34159 Denial of service in CV81-WDM FW

High 7.5 Published 20 Dec 2024 Updated 24 Dec 2024

Attackers can cause service exceptions in Huawei printers due to insufficient input verification, requiring firmware updates to mitigate.

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-2022-34159?

CVE-2022-34159 is a high-severity denial of service vulnerability in Huawei CV81-WDM FW, published on 20 Dec 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Huawei printers have an input verification vulnerability. Successful exploitation of this vulnerability may cause device service exceptions. (Vulnerability ID: HWPSIRT-2022-80078)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2022-34159.

Weakness: CWE-20

Which versions are affected by CVE-2022-34159?

It affects 1 product.

Products include Huawei Cv81-Wdm Firmware.

How do I fix CVE-2022-34159?

No fix has been published for CVE-2022-34159 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-2022-34159 being exploited?

There is no known exploitation of CVE-2022-34159 in the wild and no public exploit code.

Sources

Also known as GHSA-c3jx-62hm-38m5.