Uncontrolled search path element vulnerability in Backup Management functionality in Synology DiskStation Manager (DSM) before 6.2.4-25556-8, 7.0.1-42218-7 and 7.1-42661 allows remote authenticated users with administrator privileges to read or write arbitrary files via unspecified vectors.
https://www.synology.com/en-global/security/advisory/Synology_SA_23_06
https://www.synology.com/en-global/security/advisory/Synology_SA_23_05