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.

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Fixes

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Workaround

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History

Wed, 19 Aug 2026 18:45:00 +0000

Type Values Removed Values Added
First Time appeared Cisco
Cisco cisco Roomos Software
Vendors & Products Cisco
Cisco cisco Roomos Software

Wed, 19 Aug 2026 16:30:00 +0000

Type Values Removed Values Added
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.
Title Cisco RoomOS Stack Overflow Vulnerability
Weaknesses CWE-120
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-08-19T16:17:07.749Z

Reserved: 2025-10-08T11:59:15.408Z

Link: CVE-2026-20302

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-19T17:18:39.527

Modified: 2026-08-19T17:18:39.527

Link: CVE-2026-20302

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-19T18:30:03Z

Weaknesses