Cisco RoomOS up to 26.5.2.0 improper check or handling of exceptional conditions

Summaryinfo

A vulnerability was found in Cisco RoomOS. It has been declared as very critical. This impacts an unknown function. Such manipulation leads to improper check or handling of exceptional conditions. This vulnerability is uniquely identified as CVE-2026-20187. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Cisco RoomOS. It has been rated as very critical. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a improper check or handling of exceptional conditions vulnerability. Using CWE to declare the problem leads to CWE-703. The product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product. Impacted is confidentiality, integrity, and availability. CVE summarizes:

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20187 are related to improper handling of exceptional conditions that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-703.

The advisory is available at sec.cloudapps.cisco.com. This vulnerability is handled as CVE-2026-20187 since 10/08/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 07/15/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Cisco

Name

• RoomOS

Version

• 10.3.2.0
• 10.3.2.4
• 10.3.3.0
• 10.3.4.0
• 10.8.2.5
• 10.8.3.1
• 10.8.4.0
• 10.11.2.2
• 10.11.3.0
• 10.11.4.1
• 10.11.5.2
• 10.11.6.0
• 10.15.2.2
• 10.15.3.0
• 10.15.4.1
• 10.15.5.3
• 10.19.2.2
• 10.19.3.0
• 10.19.4.2
• 10.19.5.6
• 11.1.2.4
• 11.1.3.1
• 11.1.4.1
• 11.5.2.4
• 11.5.3.3
• 11.5.4.6
• 11.9.2.4
• 11.9.3.1
• 11.14.2.1
• 11.14.2.3
• 11.14.3.0
• 11.14.4.0
• 11.14.5.0
• 11.17.2.2
• 11.17.3.0
• 11.17.4.0
• 11.20.2.3
• 11.20.3.0
• 11.23.1.6
• 11.23.1.8
• 11.24.1.5
• 11.24.2.4
• 11.24.3.0
• 11.24.4.1
• 11.27.2.0
• 11.27.3.0
• 11.27.4.0
• 11.27.5.0
• 11.28.1.3
• 11.31.1.5
• 11.32.2.1
• 11.32.3.0
• 11.32.4.0
• 11.32.5.1
• 11.33.1.7
• 11.34.1.2
• 11.35.1.2
• 11.36.1.1
• 11.37.1.0
• 26.0.1.2
• 26.1.1.5
• 26.2.2.2
• 26.3.1.3
• 26.4.1.4
• 26.4.1.6
• 26.5.2.0

License

• commercial

Website

• Vendor: https://www.cisco.com/

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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