Multiple Critical Vulnerabilities Discovered in Synology DiskStation Manager (DSM)

Multiple vulnerabilities were discovered in Synology DiskStation Manager (DSM) as reported on April 24, 2026. These flaws enable attackers to execute remote denial-of-service attacks, compromise data confidentiality, and undermine data integrity. The notice was issued by the French government's CERT (CERT-FR) under advisory CERTFR-2026-AVI-0491. No specific CVE identifiers, affected versions, or technical exploitation details were provided in the disclosure. The impacts include disruption of service, unauthorized data access, and potential data tampering.