CVE-2022-40514 Buffer copy without checking size of input in WLAN Firmware
A buffer overflow in Qualcomm WLAN firmware allows attackers to execute arbitrary code or escalate privileges via crafted reassoc response frames.
- 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-2022-40514?
CVE-2022-40514 is a critical memory corruption vulnerability in Qualcomm Aqt1000 Firmware, published on 9 Feb 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Memory corruption due to buffer copy without checking the size of input in WLAN Firmware while processing CCKM IE in reassoc response frame.
Which versions are affected by CVE-2022-40514?
It affects 228 products.
Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Ar9380 Firmware, Qualcomm Csr8811 Firmware, Qualcomm Csra6620 Firmware and 222 more.
How do I fix CVE-2022-40514?
No fix has been published for CVE-2022-40514 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-2022-40514 being exploited?
There is no known exploitation of CVE-2022-40514 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-2022-22096 Memory corruption in Snapdragon Connectivity, Snapdragon Mobile
- CVE-2021-35081 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music
Sources
Also known as GHSA-vjfc-6h99-w884.