As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software 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-2026-20273 are related to improper input validation issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-20.
References
Configurations
Configuration 1 (hide)
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History
23 Oct 2026, 21:10
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Information
Published : 2026-08-05 17:16
Updated : 2026-10-23 21:10
NVD link : CVE-2026-20273
Mitre link : CVE-2026-20273
CVE.ORG link : CVE-2026-20273
JSON object : View
Products Affected
cisco
- ios_xe
CWE
CWE-20
Improper Input Validation
