Executive Risk Summary
"A vulnerability in the Cisco Express Forwarding functionality of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to trigger a denial of service (DoS) condition by sending crafted ARP messages. This could lead to system resource exhaustion and a reload of the active route switch processor (RSP), potentially causing network disruption."
Operational Audit Arsenal
Target Type Firmware Image
Target Asset Cisco IOS XE Software
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 if redundant RSP is not present
Internal Work Notes
CVE-2025-20189: Cisco ASR 903 RSP3 ARP DoS vulnerability - verify Cisco IOS XE Software version and apply patch if necessary
Technical Intelligence & Operational Utilities • Delivered Weekly
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.