CVE-2026-20158: Improper Control of a Resource Through its Lifetime in Cisco Cisco RoomOS Software
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-2026-20158 are related to improper control of a resource through its lifetime that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-664.
AI Analysis
Technical Summary
Cisco RoomOS Software contains a vulnerability classified under CWE-664, involving improper control of a resource through its lifetime. This flaw was discovered internally by Cisco's security team and disclosed as CVE-2026-20158. The vulnerability allows an unauthenticated attacker to cause a high impact on system availability remotely without user interaction. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, and unchanged scope with no confidentiality or integrity impact but high availability impact. No remediation level or patch information is currently available.
Potential Impact
The vulnerability can be exploited remotely without authentication or user interaction to cause a significant disruption to system availability in Cisco RoomOS Software. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or workaround has been disclosed, users should monitor Cisco's security advisories for updates and apply any forthcoming patches promptly.
CVE-2026-20158: Improper Control of a Resource Through its Lifetime in Cisco Cisco RoomOS Software
Description
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-2026-20158 are related to improper control of a resource through its lifetime that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-664.
CVSS v3.1
Score 7.5high
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Cisco RoomOS Software contains a vulnerability classified under CWE-664, involving improper control of a resource through its lifetime. This flaw was discovered internally by Cisco's security team and disclosed as CVE-2026-20158. The vulnerability allows an unauthenticated attacker to cause a high impact on system availability remotely without user interaction. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, and unchanged scope with no confidentiality or integrity impact but high availability impact. No remediation level or patch information is currently available.
Potential Impact
The vulnerability can be exploited remotely without authentication or user interaction to cause a significant disruption to system availability in Cisco RoomOS Software. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or workaround has been disclosed, users should monitor Cisco's security advisories for updates and apply any forthcoming patches promptly.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- cisco
- Date Reserved
- 2025-10-08T11:59:15.387Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a57b64168715ace430b3831
Added to database: 07/15/2026, 16:33:05 UTC
Last enriched: 07/15/2026, 16:48:42 UTC
Last updated: 07/16/2026, 03:33:29 UTC
Views: 6
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