Cisco RoomOS USB Driver Flaw Allows Root Code Execution
Cisco disclosed CVE-2026-20302, a medium-severity buffer overflow in the RoomOS USB driver. An unauthenticated attacker with physical USB port access could connect a malicious device to trigger insufficient boundary checks and execute arbitrary code with root privileges. Cisco released software updates fixing the flaw; no workarounds exist.
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Summary last validated Sep 14, 2026
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