CVE-2025-20162 | Cisco IOS XE - DHCP Snooping Operational Intel

Executive Risk Summary

"A vulnerability in the DHCP snooping security feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service condition. This vulnerability can be exploited with either unicast or broadcast DHCP packets on a VLAN that does not have DHCP snooping enabled."

Operational Audit Arsenal

Target Type Firmware Image

Target Asset Cisco IOS XE

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

Network disruption possible due to DoS condition

Internal Work Notes

CVE-2025-20162: Potential DoS vulnerability in Cisco IOS XE DHCP snooping, requiring firmware update and reboot

Technical Intelligence & Operational Utilities • Delivered Weekly

Intelligence Sources

Official Advisoryhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-dhcpsn-dos-xBn8Mtks

Related Cisco Threats

CVE-2026-20079 CVSS 10

Secure Firewall Management Center (FMC) Software

CVE-2026-20127 CVSS 10

Catalyst SD-WAN Controller - Peering Authentication

CVE-2025-20188 CVSS 10

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.