CVE-2022-36511 Memory corruption in n/a

Critical 9.8 Published 25 Aug 2022 Updated 17 Jun 2025

A stack overflow in the H3C GR-1200W router allows attackers to execute arbitrary code or cause a denial of service.

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-2022-36511?

CVE-2022-36511 is a critical memory corruption vulnerability in n/a, published on 25 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

H3C GR-1200W MiniGRW1A0V100R006 was discovered to contain a stack overflow via the function EditApAdvanceInfo.

Weakness: CWE-787

Which versions are affected by CVE-2022-36511?

It affects 1 product.

Products include H3c Gr-1200w Firmware.

How do I fix CVE-2022-36511?

No fix has been published for CVE-2022-36511 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-2022-36511 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-36511 exists.

Sources

Also known as GHSA-pcp3-7g28-42wg.