CVE-2025-21456: Qualcomm AR8035 Firmware

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

Memory corruption while processing IOCTL command when multiple threads are called to map/unmap buffer concurrently.

Affected products

• Qualcomm AR8035 Firmware: affected versions not specified
• Qualcomm C-v2x 9150 Firmware: affected versions not specified
• Qualcomm Fastconnect 6900 Firmware: affected versions not specified
• Qualcomm Fastconnect 7800 Firmware: affected versions not specified
• Qualcomm QAM8255P Firmware: affected versions not specified
• Qualcomm QAM8295P Firmware: affected versions not specified
• Qualcomm QAM8650P Firmware: affected versions not specified
• Qualcomm QAM8775P Firmware: affected versions not specified
• Qualcomm QCA6174A Firmware: affected versions not specified
• Qualcomm QCA6574AU Firmware: affected versions not specified
• Qualcomm QCA6584AU Firmware: affected versions not specified
• Qualcomm QCA6696 Firmware: affected versions not specified
• Qualcomm QCA6698AQ Firmware: affected versions not specified
• Qualcomm QCA6797AQ Firmware: affected versions not specified
• Qualcomm QCA8081 Firmware: affected versions not specified
• Qualcomm QCA8337 Firmware: affected versions not specified
• Qualcomm QCC710 Firmware: affected versions not specified
• Qualcomm QCN6224 Firmware: affected versions not specified
• Qualcomm QCN6274 Firmware: affected versions not specified
• Qualcomm QCS410 Firmware: affected versions not specified
• Qualcomm QCS610 Firmware: affected versions not specified
• Qualcomm QFW7114 Firmware: affected versions not specified
• Qualcomm QFW7124 Firmware: affected versions not specified
• Qualcomm SA6145P Firmware: affected versions not specified
• Qualcomm SA6150P Firmware: affected versions not specified
• and 39 more

Published 2025-08-06. Last modified 2026-06-17.