CVE-2022-43000 Memory corruption in n/a

Critical 9.8 Published 26 Oct 2022 Updated 7 May 2025

A stack overflow in the D-Link DIR-816 router allows attackers to execute arbitrary code or cause a denial of service via a crafted request.

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-2022-43000?

CVE-2022-43000 is a critical memory corruption vulnerability in Dlink Dir-816 Firmware, published on 26 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

D-Link DIR-816 A2 1.10 B05 was discovered to contain a stack overflow via the wizardstep4_pskpwd parameter at /goform/form2WizardStep4.

Weakness: CWE-787

Which versions are affected by CVE-2022-43000?

It affects 1 product.

Products include Dlink Dir-816 Firmware.

How do I fix CVE-2022-43000?

No fix has been published for CVE-2022-43000 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-2022-43000 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-43000 exists.

All Dlink Dir-816 Firmware vulnerabilities

Sources

Also known as GHSA-8g74-45pc-67v3.