CVE-2022-29797 Memory corruption in CV81-WDM FW

Critical 9.8 Published 13 Jun 2022 Updated 3 Aug 2024

A buffer overflow in Huawei CV81-WDM firmware allows attackers to escalate privileges on the device.

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-2022-29797?

CVE-2022-29797 is a critical memory corruption vulnerability in CV81-WDM FW, published on 13 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

There is a buffer overflow vulnerability in CV81-WDM FW 01.70.49.29.46. Successful exploitation of this vulnerability may lead to privilege escalation.

Weakness: CWE-120

Which versions are affected by CVE-2022-29797?

It affects 1 product.

Products include Huawei Cv81-Wdm Firmware.

How do I fix CVE-2022-29797?

No fix has been published for CVE-2022-29797 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-29797 being exploited?

There is no known exploitation of CVE-2022-29797 in the wild and no public exploit code.

Sources

Also known as GHSA-c3jj-h8cx-frp8.