CVE-2023-33081 Buffer over-read in WLAN Firmware
A buffer over-read in Qualcomm Snapdragon WLAN firmware allows attackers to cause a transient denial of service via crafted TWT 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-2023-33081?
CVE-2023-33081 is a high-severity denial of service vulnerability in Qualcomm Aqt1000 Firmware, published on 5 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Transient DOS while converting TWT (Target Wake Time) frame parameters in the OTA broadcast.
Which versions are affected by CVE-2023-33081?
It affects 149 products.
Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csr8811 Firmware, Qualcomm Immersive Home 214 Platform Firmware, Qualcomm Immersive Home 216 Platform Firmware, Qualcomm Immersive Home 316 Platform Firmware and 143 more.
How do I fix CVE-2023-33081?
No fix has been published for CVE-2023-33081 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-33081 being exploited?
There is no known exploitation of CVE-2023-33081 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-pj8h-cmgw-7xpg.