Auth bypass in Synology Diskstation Manager
CVE-2025-2848
A vulnerability in Synology Mail Server allows remote authenticated attackers to read and write non-sensitive settings, and disable some non-critical functions.
Vulnerability class: Broken Access Control
EPSS: 0.004 (32.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Synology Diskstation_manager — versions 7.1, 7.2
- Synology Mail_server
- Synology Mail Server
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@synology.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-2848?
- CVE-2025-2848 is a medium-severity vulnerability in Synology Diskstation Manager, classified under Missing Authorization. CVSS score: 6.3/10. Published 2025-12-04.
- How severe is CVE-2025-2848?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2025-2848 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.