Hi Imran Ahmad,
i believe those vulnerabilities are more application related that a Router vulnerability, you can check this information:
Linux: Multiple xfstt Buffer Overflow Vulnerabilities
https://tools.cisco.com/security/center/viewAlert.x?alertId=6333
OpenSSH X11 Forwarding Command Injection Vulnerability
https://tools.cisco.com/security/center/viewAlert.x?alertId=44081
If you have the CVE for the vulnerabilities will be easier to match them with some documentation.
Hope this info helps!!
Rate if helps you!!
-JP-