CVE-2023-22386 Buffer Copy Without Checking Size of Input in WLAN HOST
A memory corruption vulnerability in Qualcomm WLAN HOST allows attackers to execute arbitrary code or escalate privileges via crafted firmware requests.
- 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-2023-22386?
CVE-2023-22386 is a high-severity memory corruption vulnerability in Qualcomm Ar8035 Firmware, published on 4 Jul 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory Corruption in WLAN HOST while processing WLAN FW request to allocate memory.
Which versions are affected by CVE-2023-22386?
It affects 201 products.
Products include Qualcomm 215 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csr8811 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Fastconnect 6200 Firmware and 195 more.
How do I fix CVE-2023-22386?
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-2023-22386 being exploited?
There is no known exploitation of CVE-2023-22386 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Ar8035 Firmware
- CVE-2024-53014 Improper Validation of Array Index in Audio
- CVE-2025-21424 Use After Free in NPU
- CVE-2023-24854 Stack-based Buffer Overflow in WLAN HOST
- CVE-2019-2248 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
- CVE-2018-11922 Configurations in Android Build
Sources
Also known as 3355665, A-276750584, ASB-A-276750584, GHSA-99j5-qj43-jq8m.