CVE-2021-35085 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile
A buffer overflow in Qualcomm Snapdragon firmware allows attackers to execute arbitrary code or escalate privileges via malicious management frames.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-35085?
CVE-2021-35085 is a medium-severity memory corruption vulnerability in Qualcomm Aqt1000 Firmware, published on 14 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Possible buffer overflow due to lack of buffer length check during management frame Rx handling in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile
Weakness: CWE-125
Which versions are affected by CVE-2021-35085?
It affects 70 products.
Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csrb31024 Firmware, Qualcomm Qca6175a Firmware, Qualcomm Qca6390 Firmware, Qualcomm Qca6391 Firmware and 64 more.
How do I fix CVE-2021-35085?
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-2021-35085 being exploited?
There is no known exploitation of CVE-2021-35085 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Aqt1000 Firmware
- CVE-2025-21479 Qualcomm Multiple Chipsets Incorrect Authorization
- CVE-2025-21480 Qualcomm Multiple Chipsets Incorrect Authorization
- CVE-2023-28562 Buffer Copy Without Checking Size of Input in QESL
- CVE-2022-40514 Buffer copy without checking size of input in WLAN Firmware
- CVE-2022-22096 Memory corruption in Snapdragon Connectivity, Snapdragon Mobile
Sources
Also known as 3001331, A-204012850, GHSA-q57f-jw57-j3j2, PUB-A-204012850.