CVE-2026-20273 | Cisco IOS XE Software up to 26.1.1a input validation

August 5, 2026 Yanac

A vulnerability classified as very critical was found in Cisco IOS XE Software. This issue affects some unknown processing. Executing a manipulation can lead to improper input validation.

This vulnerability is tracked as CVE-2026-20273. The attack can be launched remotely. No exploit exists.

Upgrading the affected component is advised.VulDB Recent EntriesRead More