cisco-sa-roomos-bof-vTMANZguMediumCVSS 6.1

Cisco RoomOS Stack Overflow Vulnerability

Published
August 19, 2026
Last Modified
August 19, 2026

🔗 CVE IDs covered (1)

CVE-2026-20302 →

📋 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.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

CVE-2026-20302 — Cisco RoomOS Stack Overflow Vulnerability (CVSS 3.1 6.1, CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)

🎯 Affected products71

  • Cisco RoomOS Software
  • Cisco RoomOS Software RoomOS 10.11.2.2
  • Cisco RoomOS Software RoomOS 10.11.3.0
  • Cisco RoomOS Software RoomOS 10.11.4.1
  • Cisco RoomOS Software RoomOS 10.11.5.2
  • Cisco RoomOS Software RoomOS 10.11.6.0
  • Cisco RoomOS Software RoomOS 10.15.2.2
  • Cisco RoomOS Software RoomOS 10.15.3.0
  • Cisco RoomOS Software RoomOS 10.15.4.1
  • Cisco RoomOS Software RoomOS 10.15.5.3
  • Cisco RoomOS Software RoomOS 10.19 StepUpg
  • Cisco RoomOS Software RoomOS 10.19.2.2
  • Cisco RoomOS Software RoomOS 10.19.3.0
  • Cisco RoomOS Software RoomOS 10.19.4.2
  • Cisco RoomOS Software RoomOS 10.19.5.6
  • Cisco RoomOS Software RoomOS 10.3.2.0
  • Cisco RoomOS Software RoomOS 10.3.3.0
  • Cisco RoomOS Software RoomOS 10.3.4.0
  • Cisco RoomOS Software RoomOS 10.8.2.5
  • Cisco RoomOS Software RoomOS 10.8.3.1
  • Cisco RoomOS Software RoomOS 10.8.4.0
  • Cisco RoomOS Software RoomOS 11.1.2.4
  • Cisco RoomOS Software RoomOS 11.1.3.1
  • Cisco RoomOS Software RoomOS 11.1.4.1
  • Cisco RoomOS Software RoomOS 11.14.2.3
  • Cisco RoomOS Software RoomOS 11.14.3.0
  • Cisco RoomOS Software RoomOS 11.14.4.0
  • Cisco RoomOS Software RoomOS 11.14.5.0
  • Cisco RoomOS Software RoomOS 11.17.2.2
  • Cisco RoomOS Software RoomOS 11.17.3.0
  • +41 more not shown

✅ Remediation

Cisco has released software updates that address this vulnerability. https://software.cisco.com Workarounds: There are no workarounds that address this vulnerability.

🔗 References (2)