CVE-2021-35117 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

High 8.2 Published 1 Apr 2022 Updated 4 Aug 2024

Out-of-bounds read in Qualcomm Snapdragon firmware allows attackers to cause denial of service or disclose information via crafted IBSS beacons.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2021-35117?

CVE-2021-35117 is a high-severity memory corruption vulnerability in Qualcomm Apq8096au Firmware, published on 1 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An Out of Bounds read may potentially occur while processing an IBSS beacon, in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

Weakness: CWE-125

Which versions are affected by CVE-2021-35117?

It affects 102 products.

Products include Qualcomm Apq8096au Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware and 96 more.

How do I fix CVE-2021-35117?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-35117 being exploited?

There is no known exploitation of CVE-2021-35117 in the wild and no public exploit code.

All Qualcomm Apq8096au Firmware vulnerabilities

Sources

Also known as 3028360, A-209481202, ASB-A-209481202, GHSA-83q3-7jfp-3xww.