CVE-2025-20170 | Cisco IOS XE - SNMP Subsystem Operational Intel

Executive Risk Summary

"A vulnerability in the SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper error handling when parsing SNMP requests and affects SNMP versions 1, 2c, and 3."

Operational Audit Arsenal

Target Type Firmware Image

Target Asset snmp.exe

Standard Path Global Firmware

Manual Verification Required

This is a non-Windows asset (Cisco). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.

Patch Impact Forecast

Reboot Required Likely

High

Internal Work Notes

CVE-2025-20170: Cisco IOS XE SNMP DoS Vulnerability - Affected devices may reload unexpectedly due to improper error handling when parsing SNMP requests, resulting in a Denial of Service condition.

Technical Intelligence & Operational Utilities • Delivered Weekly

Intelligence Sources

Official Advisoryhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snmp-dos-sdxnSUcW

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Cisco IOS XE - Wireless LAN Controllers

Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.