### [CVE-2017-9485](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9485) ![](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 The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote attackers to write arbitrary data to a known /var/tmp/sess_* pathname by leveraging the device's operation in UI dev mode. ### POC #### Reference - https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-28.session-cookie-write.txt #### Github No PoCs found on GitHub currently.