CVE-2023-21628 Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in WLAN HAL
A buffer overflow in Qualcomm Snapdragon WLAN HAL allows attackers to execute arbitrary code or escalate privileges via crafted WMI-UTF or FTM TLV1 commands.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-21628?
CVE-2023-21628 is a high-severity memory corruption vulnerability in Qualcomm Apq8017 Firmware, published on 6 Jun 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 HAL while processing WMI-UTF command or FTM TLV1 command.
Which versions are affected by CVE-2023-21628?
It affects 283 products.
Products include Qualcomm Apq8017 Firmware, Qualcomm Apq8064au Firmware, Qualcomm Apq8076 Firmware, Qualcomm Apq8092 Firmware, Qualcomm Apq8094 Firmware, Qualcomm Aqt1000 Firmware and 277 more.
How do I fix CVE-2023-21628?
No fix has been published for CVE-2023-21628 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-2023-21628 being exploited?
There is no known exploitation of CVE-2023-21628 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Apq8017 Firmware
- CVE-2025-21483 Improper Restriction of Operations within the Bounds of a Memory Buffer in Data Network Stack & Connectivity
- CVE-2021-1933 Denial of service in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Wearables
- CVE-2021-1946 Null dereference in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile
- CVE-2020-11176 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile
- CVE-2020-11291 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile
Sources
Also known as GHSA-p6f2-8wjh-p66x.