Vulnerability · Published Aug 19, 2026 · Assigned by cisco
CVE-2026-20302Cisco RoomOS Stack Overflow Vulnerability
Medium 6.1
In plain English
A medium-severity buffer overflow in Cisco RoomOS Software from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco RoomOS Software | RoomOS 10.11.2.2RoomOS 10.15.2.2RoomOS 11.5.4.6RoomOS 11.5.2.4RoomOS 10.8.2.5RoomOS 10.11.5.2RoomOS 10.11.3.0RoomOS 10.15.5.3 |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N