CVE-2025-30028Network attack vector

Unauthenticated arbitrary file read via SQL injection

Published May 27, 2026 · Updated May 27, 2026

SQL injection in Synology Active Backup for Business before 2.7.1-13234, 2.7.1-23234, and 2.7.1-3234 allows remote attackers to read arbitrary files. Synology identifies improper neutralization of SQL special elements but has not disclosed the vulnerable component, query, or input path. No authentication or user interaction is required, and successful exploitation exposes files readable by the affected service without reported write or availability impact.

CVSS severity8.6
High
EPSS probability0.37%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in Synology Active Backup for Business before 2.7.1-13234, 2.7.1-23234, and 2.7.1-3234 allows remote attackers to read arbitrary files. Synology identifies improper neutralization of SQL special elements but has not disclosed the vulnerable component, query, or input path. No authentication or user interaction is required, and successful exploitation exposes files readable by the affected service without reported write or availability impact.

The record

CVE
CVE-2025-30028
Published
May 27, 2026
Updated
May 27, 2026
Vendor
Synology
Product
Active Backup for Business
Classifications
CWE-89, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 27, 2026CVE publishedPublication date reported by the CVE source.
  2. May 27, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=* <2.7.1-13234
  2. Affected versionversion=* <2.7.1-23234
  3. Affected versionversion=* <2.7.1-3234

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Synology · Active Backup for Businessversion=* <2.7.1-13234; version=* <2.7.1-23234; version=* <2.7.1-3234

Published CVSS scores

8.6Synology Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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