### [CVE-2021-27697](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27697) ![](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 RIOT-OS 2021.01 contains a buffer overflow vulnerability in sys/net/gnrc/routing/rpl/gnrc_rpl_validation.c through the gnrc_rpl_validation_options() function. ### POC #### Reference - https://github.com/RIOT-OS/RIOT/issues/16062 #### Github No PoCs found on GitHub currently.