---
id: CVE-2025-30028
title: >-
  A vulnerability in Active Backup for Business allows unauthorized remote
  attackers to read arbitrary files.
summary: >-
  A vulnerability in Active Backup for Business allows unauthorized remote
  attackers to read arbitrary files.
severity: high
cvss: 8.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N'
cwe:
  - CWE-89
vendor: synology
product: active_backup_for_business
affected:
  - active_backup_for_business = 2.7.1-23234
  - active_backup_for_business = 2.7.1-13234
  - active_backup_for_business = 2.7.1-3234
published: '2026-05-27'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T21:10:00.190'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-30028'
references:
  - url: 'https://www.synology.com/en-global/security/advisory/Synology_SA_25_02'
    label: security@synology.com
tags:
  - nvd
epss: 0.00368
epssPercentile: 0.28297
ingestedAt: '2026-09-30T21:25:07.734Z'
---

## Overview

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

## Affected

- `active_backup_for_business = 2.7.1-23234`
- `active_backup_for_business = 2.7.1-13234`
- `active_backup_for_business = 2.7.1-3234`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.