CVE-2025-47367 Out-of-bounds Write in WinBlast Driver
An out-of-bounds write in the WinBlast driver allows attackers to execute arbitrary code or escalate privileges via IOCTL processing.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-47367?
CVE-2025-47367 is a high-severity memory corruption vulnerability in Qualcomm Fastconnect 6700 Firmware, published on 4 Nov 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory corruption while accessing a buffer during IOCTL processing.
Weakness: CWE-787
Which versions are affected by CVE-2025-47367?
It affects 31 products.
Products include Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Qcc2072 Firmware, Qualcomm Qcm5430 Firmware, Qualcomm Qcm6490 Firmware and 25 more.
How do I fix CVE-2025-47367?
No fix has been published for CVE-2025-47367 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-2025-47367 being exploited?
There is no known exploitation of CVE-2025-47367 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Fastconnect 6700 Firmware
- CVE-2024-43047 Qualcomm Multiple Chipsets Use-After-Free
- CVE-2023-21671 Improper Input Validation in Core
- CVE-2024-21464 Buffer Copy Without Checking Size of Input in Data Network Stack & Connectivity
- CVE-2024-33047 Buffer Over-read in Display
- CVE-2024-23360 Improper Access Control in Graphics Windows
Sources
Also known as GHSA-mm84-8qpx-gvch.