### [CVE-2021-26566](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26566) ![](https://img.shields.io/static/v1?label=Product&message=Synology%20DiskStation%20Manager%20(DSM)&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=unspecified%20&color=brightgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-201%3A%20Insertion%20of%20Sensitive%20Information%20Into%20Sent%20Data&color=brightgreen) ### Description Insertion of sensitive information into sent data vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary commands via inbound QuickConnect traffic. ### POC #### Reference No PoCs from references. #### Github - https://github.com/Live-Hack-CVE/CVE-2021-26566