CVE-2022-25596 ASUS RT-AC86U - Heap-based buffer overflow

High 8.8 Published 7 Apr 2022 Updated 17 Sep 2024

An unauthenticated LAN attacker can execute arbitrary code or disrupt service via a heap-based buffer overflow in the router's configuration function.

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

What is CVE-2022-25596?

CVE-2022-25596 is a high-severity memory corruption vulnerability in ASUS RT-AC86U, published on 7 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

ASUS RT-AC56U’s configuration function has a heap-based buffer overflow vulnerability due to insufficient validation for the decryption parameter length, which allows an unauthenticated LAN attacker to execute arbitrary code, perform arbitrary operations and disrupt service.

Weakness: CWE-787

Which versions are affected by CVE-2022-25596?

It affects 1 product.

Products include Asus Rt-Ac86u Firmware.

How do I fix CVE-2022-25596?

No fix has been published for CVE-2022-25596 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-2022-25596 being exploited?

There is no known exploitation of CVE-2022-25596 in the wild and no public exploit code.

Sources

Also known as GHSA-39fr-rq99-f592.