CVE-2019-6496: Marvell 88w8787 Firmware

High severity, CVSS 8.8. EPSS: 6.6% chance of exploitation in the next 30 days.

The ThreadX-based firmware on Marvell Avastar Wi-Fi devices, models 88W8787, 88W8797, 88W8801, 88W8897, and 88W8997, allows remote attackers to execute arbitrary code or cause a denial of service (block pool overflow) via malformed Wi-Fi packets during identification of available Wi-Fi networks. Exploitation of the Wi-Fi device can lead to exploitation of the host application processor in some cases, but this depends on several factors including host OS hardening and the availability of DMA.

Affected products

• Marvell 88w8787 Firmware: affected versions not specified
• Marvell 88w8797 Firmware: affected versions not specified
• Marvell 88w8801 Firmware: affected versions not specified
• Marvell 88w8897 Firmware: affected versions not specified
• Marvell 88w8997 Firmware: affected versions not specified

Published 2019-01-20. Last modified 2026-06-17.