Medium severity · published Dec 4, 2025
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
6.3
CVSS
0.4%
EPSS
No
On KEV
Description
A vulnerability in Synology Mail Server allows remote authenticated attackers to read and write non-sensitive settings, and disable some non-critical functions.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SM
Synology Mail Server · Synology
before 1.7.6-10676; before 1.7.6-20676 · source: vendor
MS
Mail Server · Synology
before 1.7.6-10676; before 1.7.6-20676 · source: NVD