CVE-2024-20017 Memory corruption in MT6890, MT7915, MT7916, MT7981, MT7986

Critical 9.8 Published 4 Mar 2024 Updated 25 Sep 2024

A remote attacker can execute arbitrary code on MediaTek Wi-Fi chipsets via an out-of-bounds write in the wlan service without user interaction.

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-2024-20017?

CVE-2024-20017 is a critical memory corruption vulnerability in Mediatek Software Development Kit, published on 4 Mar 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In wlan service, there is a possible out of bounds write due to improper input validation. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation Patch ID: WCNCR00350938; Issue ID: MSV-1132.

Weakness: CWE-787, CWE-20

Which versions are affected by CVE-2024-20017?

It affects 2 products.

Products include Mediatek Software Development Kit, Openwrt Openwrt.

How do I fix CVE-2024-20017?

No fix has been published for CVE-2024-20017 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-2024-20017 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-20017 exists.

Public exploit code: 1 proofs of concept on GitHub.

All Mediatek Software Development Kit vulnerabilities

Sources

Also known as GHSA-qr26-2mpm-7j4x.