SB2026071795 - Multiple vulnerabilities in Cisco RoomOS

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Main Vulnerability Database SB2026071795

SB2026071795 - Multiple vulnerabilities in Cisco RoomOS

Published: July 17, 2026

Security Bulletin ID SB2026071795
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 vulnerabilities.


1) Improper access control (CVE-ID: CVE-2026-20150)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to compromise the confidentiality, integrity, and availability of the system.

The vulnerability exists due to improper access control in Cisco RoomOS when handling requests. A remote user can send crafted requests to compromise the confidentiality, integrity, and availability of the system.



2) Input validation error (CVE-ID: CVE-2026-20153)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to compromise the confidentiality, integrity, and availability of the system.

The vulnerability exists due to improper input validation in Cisco RoomOS when parsing input. A remote user can provide crafted input to compromise the confidentiality, integrity, and availability of the system.



3) Buffer overflow (CVE-ID: CVE-2026-20156)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to compromise the confidentiality, integrity, and availability of the system.

The vulnerability exists due to improper restriction of operations within the bounds of a memory buffer in Cisco RoomOS when processing crafted input. A remote user can send crafted input to compromise the confidentiality, integrity, and availability of the system.



4) Missing Encryption of Sensitive Data (CVE-ID: CVE-2026-20157)

CWE-ID: CWE-311 - Missing Encryption of Sensitive Data

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to disclose sensitive information.

The vulnerability exists due to missing encryption in Cisco RoomOS when transmitting sensitive data. A remote user can observe transmitted data to disclose sensitive information.


5) Improper control of a resource through its lifetime (CVE-ID: CVE-2026-20158)

CWE-ID: CWE-664 - Improper control of a resource through its lifetime

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to cause a denial of service.

The vulnerability exists due to improper control of a resource through its lifetime in Cisco RoomOS when processing input. A remote user can trigger resource lifecycle errors to cause a denial of service.



6) Improper Check or Handling of Exceptional Conditions (CVE-ID: CVE-2026-20187)

CWE-ID: CWE-703 - Improper Check or Handling of Exceptional Conditions

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to cause a denial of service.

The vulnerability exists due to improper handling of exceptional conditions in Cisco RoomOS when processing unexpected conditions. A remote user can trigger an exceptional condition to cause a denial of service.



Remediation

Install update from vendor's website.

References