CVE-2023-43869 Memory corruption in n/a

Critical 9.8 Published 28 Sep 2023 Updated 23 Sep 2024

A buffer overflow in the D-Link DIR-619L router allows attackers to execute arbitrary code via the formSetWAN_Wizard56 function.

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-2023-43869?

CVE-2023-43869 is a critical memory corruption vulnerability in Dlink Dir-619l Firmware, published on 28 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

D-Link DIR-619L B1 2.02 is vulnerable to Buffer Overflow via formSetWAN_Wizard56 function.

Weakness: CWE-787

Which versions are affected by CVE-2023-43869?

It affects 1 product.

Products include Dlink Dir-619l Firmware.

How do I fix CVE-2023-43869?

No fix has been published for CVE-2023-43869 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-2023-43869 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-43869 exists.

All Dlink Dir-619l Firmware vulnerabilities

Sources

Also known as GHSA-949m-36cw-7f58.