CVE-2021-34174: Broadcom BCM4352 Firmware

Medium severity, CVSS 4.6. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability exists in Broadcom BCM4352 and BCM43684 chips. Any wireless router using BCM4352 and BCM43684 will be affected, such as ASUS AX6100. An attacker may cause a Denial of Service (DoS) to any device connected to BCM4352 or BCM43684 routers via an association or reassociation frame.

Affected products

• Broadcom BCM4352 Firmware: affected versions not specified
• Broadcom BCM43684 Firmware: affected versions not specified

Published 2021-07-14. Last modified 2026-06-17.