Linksys MR9600 devices before 2.0.5 allow attackers to read arbitrary files via a symbolic link to the root directory of a NAS SMB share.
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-046.txt
https://www.linksys.com/mesh-routers/linksys-dual-band-mesh-wifi-6-router-mr9600/p/p-mr9600/
https://www.linksys.com/de/linksys-dual-band-mesh-wifi-6-router-mr9600/p/p-mr9600/