Cisco has released a security advisory for a vulnerability affecting IOS XR Software for ASR 9000 Series Routers. A remote attacker could exploit this vulnerability to cause a denial-of-service condition. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories page.
Therefore, BtCIRT recommended users and administrators to review the following advisory and apply the necessary updates.
- Cisco IOS XR Software for ASR 9000 Series Routers Bidirectional Forwarding Detection Denial of Service Vulnerability cisco-sa-bfd-XmRescbT