CVE-2022-36504 Memory corruption in n/a

High 7.8 Published 25 Aug 2022 Updated 17 Jun 2025

A stack overflow in the Edit_BasicSSID function of H3C Magic NX18 Plus routers allows attackers to execute arbitrary code or cause a denial of service.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-36504?

CVE-2022-36504 is a high-severity memory corruption vulnerability in n/a, published on 25 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

H3C Magic NX18 Plus NX18PV100R003 was discovered to contain a stack overflow via the function Edit_BasicSSID.

Weakness: CWE-787

Which versions are affected by CVE-2022-36504?

It affects 1 product.

Products include H3c Magic Nx18 Plus Firmware.

How do I fix CVE-2022-36504?

No fix has been published for CVE-2022-36504 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-2022-36504 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-36504 exists.

Sources

Also known as GHSA-m549-ppcm-976x.