Synology Mail Server Vulnerability Allows Remote Configuration Tampering

Summary: A newly identified vulnerability in the Synology Mail Server, tracked as CVE-2025-2848, allows authenticated attackers to modify system settings, potentially affecting mail service stability. With a CVSS score of 6.3, this vulnerability may not be critical but poses risks in multi-user environments where access is shared. Synology advises immediate upgrades to mitigate this risk and enhance security measures.

Affected: Synology Mail Server (running on DSM versions 7.2 and 7.1)

Keypoints :

  • Vulnerability allows remote authenticated users to change non-sensitive settings and disable non-critical functions.
  • Impact includes potential targeted denial-of-service scenarios and lateral movements within compromised networks.
  • Users are urged to upgrade to fixed DSM versions and implement multi-factor authentication (MFA) to enhance security.

Source: https://securityonline.info/cve-2025-2848-synology-mail-server-vulnerability-allows-remote-configuration-tampering/