### [CVE-2007-5583](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5583) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen) ### Description Cisco IP Phone 7940 with firmware P0S3-08-7-00 allows remote attackers to cause a denial of service ("486 Busy" responses or device reboot) via a sequence of SIP INVITE transactions in which the Request-URI lacks a user name, a different vulnerability than CVE-2007-4459. ### POC #### Reference - https://www.exploit-db.com/exploits/4692 #### Github No PoCs found on GitHub currently.