CVE-2022-33277 Buffer copy without checking size of input in modem
A buffer overflow in the Qualcomm Snapdragon modem allows attackers to execute arbitrary code or escalate privileges via crafted WMI 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-2022-33277?
CVE-2022-33277 is a high-severity memory corruption vulnerability in Qualcomm Aqt1000 Firmware, published on 9 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory corruption in modem due to buffer copy without checking size of input while receiving WMI command.
Weakness: CWE-120
Which versions are affected by CVE-2022-33277?
It affects 243 products.
Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Ar9380 Firmware, Qualcomm Csr8811 Firmware, Qualcomm Csra6620 Firmware and 237 more.
How do I fix CVE-2022-33277?
No fix has been published for CVE-2022-33277 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-2022-33277 being exploited?
There is no known exploitation of CVE-2022-33277 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-8867-fr6j-wffw.