CVE-2021-1952 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music
A buffer over-read in Qualcomm Snapdragon firmware allows attackers to read sensitive memory or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-1952?
CVE-2021-1952 is a high-severity memory corruption vulnerability in Qualcomm Aqt1000 Firmware, published on 9 Sep 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Possible buffer over read occurs due to lack of length check of request buffer in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music
Weakness: CWE-125
Which versions are affected by CVE-2021-1952?
It affects 107 products.
Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Mdm9150 Firmware and 101 more.
How do I fix CVE-2021-1952?
No fix has been published for CVE-2021-1952 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-2021-1952 being exploited?
There is no known exploitation of CVE-2021-1952 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 GHSA-rxxp-jcgm-w7f7.