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Medium · 6.1 CVE-2026-20302 EUVD-2026-62563GHSA-924p-6p4h-89mg

Cisco RoomOS Stack Overflow Vulnerability

Published Aug 19, 2026 · Updated Aug 20, 2026 · Assigned by cisco

Description

A vulnerability in the USB driver of Cisco RoomOS could allow an unauthenticated, local attacker with physical access to the USB port on an affected device to execute arbitrary code with root privileges.

This vulnerability is due to insufficient boundary checks for specific data that is provided through the USB driver. An attacker could exploit this vulnerability by connecting a malicious USB device to an affected device. A successful exploit could allow the attacker to cause a buffer overflow condition on the affected system and execute arbitrary code with root privileges.

Affected products

VendorProductAffectedFixed
Cisco Cisco RoomOS Software RoomOS 10.11.2.2, RoomOS 10.15.2.2, RoomOS 11.5.4.6, RoomOS 11.5.2.4, RoomOS 10.8.2.5, RoomOS 10.11.5.2, RoomOS 10.11.3.0, RoomOS 10.15.5.3, RoomOS 10.19.2.2, RoomOS 11.1.3.1, RoomOS 10.11.6.0, RoomOS 10.19.3.0, RoomOS 10.19.4.2, RoomOS 10.3.2.4, RoomOS 10.3.4.0, RoomOS 10.15.3.0, RoomOS 11.1.4.1, … —

References