CVE-2025-8611 CRITICAL

CVE-2025-8611: AOMEI Cyber Backup Missing Authentication for Critical Function Remote Code Execution Vulnerability

Vendor Aomei
Product Cyber Backup
Weakness CWE-306 · Missing auth
Published August 20, 2025
Last update August 20, 2025

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

AOMEI Cyber Backup Missing Authentication for Critical Function Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of AOMEI Cyber Backup. Authentication is not required to exploit this vulnerability. The specific flaw exists within the DaoService service, which listens on TCP port 9074 by default. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-26158.

Key dates

02Disclosure timeline

August 20, 2025 CVE published
August 20, 2025 Record updated