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CVE-2024-20259

Cisco IOS XE - DHCP Snooping

Cisco CVSS 8.6 Updated March 16, 2026

Executive Risk Summary

"A vulnerability in the DHCP snooping feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to a crafted IPv4 DHCP request packet being mishandled when endpoint analytics are 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 device reload

Internal Work Notes

CVE-2024-20259: Cisco IOS XE DHCP Snooping vulnerability, potential for DoS condition due to crafted DHCP request packet

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Intelligence Sources

Related Cisco Threats

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