CVE-2022-34603 Memory corruption in n/a

Critical 9.8 Published 20 Jul 2022 Updated 3 Aug 2024

A stack overflow in the H3C Magic R200 router allows attackers to execute arbitrary code or cause a denial of service via the DelDNSHnList interface.

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-2022-34603?

CVE-2022-34603 is a critical memory corruption vulnerability in n/a, published on 20 Jul 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

H3C Magic R200 R200V200R004L02 was discovered to contain a stack overflow via the DelDNSHnList interface at /goform/aspForm.

Weakness: CWE-787

Which versions are affected by CVE-2022-34603?

It affects 1 product.

Products include H3c Magic R200 Firmware.

How do I fix CVE-2022-34603?

No fix has been published for CVE-2022-34603 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-2022-34603 being exploited?

There is no known exploitation of CVE-2022-34603 in the wild and no public exploit code.

Sources

Also known as GHSA-8334-x488-rmxc.