CVE-2026-20302
Cisco RoomOS Stack Overflow Vulnerability
Severity
Medium 6.1
CVSS 3.1
Exploited
Not listed
EPSS
0.002
8.3th percentile
Discovered by
Third party
Vendor-published field
Published
Aug 19, 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.
Weakness: CWE-120
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco TelePresence | Other Products | cna-assigner |
Vendor-reported products (1)
- Cisco · Cisco RoomOS Software