CVE-2025-20171 | Cisco IOS/IOS XE Software SNMP Subsystem denial of service (cisco-sa-snmp-dos-sdxnSUcW)

A vulnerability has been found in Cisco IOS and IOS XE Software and classified as critical. Affected by this vulnerability is an unknown functionality of the component SNMP Subsystem. The manipulation leads to denial of service.

This vulnerability is known as CVE-2025-20171. The attack can be launched remotely. There is no exploit available.

It is recommended to upgrade the affected component.