SQL Injection in Synology Active Backup For Business

CVE-2025-30028

A vulnerability in Active Backup for Business allows unauthorized remote attackers to read arbitrary files.

Vulnerability class: SQL Injection

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-30028: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-30028?
CVE-2025-30028 is a high-severity vulnerability in Synology Active Backup For Business, classified under SQL Injection. CVSS score: 8.6/10. Published 2026-05-27.
How severe is CVE-2025-30028?
High severity. CVSS v3 base score is 8.6 out of 10.