CVE-2023-44838 Memory corruption in n/a

High 7.5 Published 5 Oct 2023 Updated 19 Sep 2024

Attackers can cause a denial of service on D-Link DIR-823G routers by sending crafted input to the TXPower parameter.

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-2023-44838?

CVE-2023-44838 is a high-severity memory corruption vulnerability in Dlink Dir-823g Firmware, published on 5 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

D-Link DIR-823G A1V1.0.2B05 was discovered to contain a buffer overflow via the TXPower parameter in the SetWLanRadioSettings function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Weakness: CWE-120

Which versions are affected by CVE-2023-44838?

It affects 1 product.

Products include Dlink Dir-823g Firmware.

How do I fix CVE-2023-44838?

No fix has been published for CVE-2023-44838 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-2023-44838 being exploited?

There is no known exploitation of CVE-2023-44838 in the wild and no public exploit code.

All Dlink Dir-823g Firmware vulnerabilities

Sources

Also known as GHSA-w986-f5mv-7h98.