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Broadcom Chipset Vulnerability Causes WiFi Outages on ASUS Routers

Broadcom Chipset Vulnerability Causes WiFi Outages on ASUS Routers

First seen 13 Jan 2026, 18:40 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

A vulnerability in Broadcom chipset software affects ASUS routers, leading to denial-of-service conditions. This flaw allows an attacker within radio range to disrupt 5 GHz networks by sending a single malicious frame, causing all connected clients to disconnect until the router is manually rebooted. The issue was identified during fuzz testing of 802.11 protocol implementations.

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