Multiple untrusted search path vulnerabilities in installer in Synology Assistant before 6.1-15163 on Windows allows local attackers to execute arbitrary code and conduct DLL hijacking attack via a Trojan horse (1) shfolder.dll, (2) ntmarta.dll, (3) secur32.dll or (4) dwmapi.dll file in the current working directory.

Synology Download Station 3.8.x before 3.8.5-3475 and 3.x before 3.5-2984 uses weak permissions (0777) for ui/dlm/btsearch directory, which allows remote authenticated users to execute arbitrary code by uploading an executable via unspecified vectors.

Server-side request forgery (SSRF) vulnerability in Downloader in Synology Download Station 3.8.x before 3.8.5-3475 and 3.x before 3.5-2984 allows remote authenticated users to download arbitrary local files via crafted URI.

Command injection vulnerability in Document.php in Synology Office 2.2.0-1502 and 2.2.1-1506 allows remote authenticated users to execute arbitrary commands via shell metacharacters in the crafted file name of RTF documents.

Cross-site scripting (XSS) vulnerability in Video Metadata Editor in Synology Video Station before 2.3.0-1435 allows remote authenticated attackers to inject arbitrary web script or HTML via the title parameter.

Server-side request forgery (SSRF) vulnerability in link preview in Synology Chat before 1.1.0-0806 allows remote authenticated users to access intranet resources via unspecified vectors.

Unrestricted file upload vulnerability in PixlrEditorHandler.php in Synology Photo Station before 6.7.3-3432 and 6.3-2967 allows remote attackers to create arbitrary PHP scripts via the type parameter.

A vulnerability in synotheme_upload.php in Synology Photo Station before 6.7.3-3432 and 6.3-2967 allows remote attackers to upload arbitrary files without authentication via the logo_upload action.

Deserialization vulnerability in synophoto_csPhotoMisc.php in Synology Photo Station before 6.7.3-3432 and 6.3-2967 allows remote attackers to gain administrator privileges via a crafted serialized payload.

An information exposure vulnerability in index.php in Synology Photo Station before 6.7.3-3432 and 6.3-2967 allows remote attackers to obtain sensitive system information via unspecified vectors.