CVE-2021-35081 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

Critical 9.8 Published 14 Jun 2022 Updated 4 Aug 2024

Buffer overflow in Qualcomm Snapdragon firmware allows attackers to execute arbitrary code or escalate privileges via malicious Wi-Fi beacon frames.

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

What is CVE-2021-35081?

CVE-2021-35081 is a critical memory corruption vulnerability in Qualcomm Aqt1000 Firmware, published on 14 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Possible buffer overflow due to improper validation of SSID length received from beacon or probe response during an IBSS session in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

Weakness: CWE-120

Which versions are affected by CVE-2021-35081?

It affects 73 products.

Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Qca6390 Firmware, Qualcomm Qca6391 Firmware, Qualcomm Qca6564 Firmware, Qualcomm Qca6564au Firmware and 67 more.

How do I fix CVE-2021-35081?

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-2021-35081 being exploited?

There is no known exploitation of CVE-2021-35081 in the wild and no public exploit code.

All Qualcomm Aqt1000 Firmware vulnerabilities

Sources

Also known as 3028274, A-213239834, ASB-A-213239834, GHSA-x57w-hccr-c6x7.