CVE-2025-8611CWE-306

AOMEI Cyber Backup Missing Authentication for Critical Function Remote Code Execution Vulnerability

Critical · published August 20, 2025

CVSS v3.0
9.8
EPSS
1%
Percentile
50.3
In the wild
Unconfirmed
What it is

🚨 AOMEI Cyber Backup is playing fast and loose with security, allowing remote attackers to execute code without breaking a sweat! 🔥 Think of it like a restaurant that leaves its back door wide open, letting anyone waltz right into the kitchen without any ID checks. Once inside, they could swap out ingredients or even run the whole kitchen! An attacker could gain SYSTEM-level access, executing arbitrary code that could compromise your entire system. This is absolutely devastating, as it opens a floodgate for malicious activities like data theft, system manipulation, or even complete takeover of your backup solution!

Put simply

Think of it like a restaurant that leaves its back door wide open, letting anyone waltz right into the kitchen without any ID checks. Once inside, they could swap out ingredients or even run the whole kitchen! This vulnerability stems from the DaoService service, which listens on TCP port 9074 without requiring authentication. This lack of access controls enables attackers to exploit this flaw and run code with SYSTEM privileges.

What to do

An attacker could gain SYSTEM-level access, executing arbitrary code that could compromise your entire system. This is absolutely devastating, as it opens a floodgate for malicious activities like data theft, system manipulation, or even complete takeover of your backup solution! Immediate action is essential: patch AOMEI Cyber Backup to the latest version that addresses this vulnerability. Additionally, consider blocking traffic to port 9074 until you can secure the installation. Regularly audit your configurations to prevent similar issues in the future. You've got this! Take action now to secure your system and reclaim your peace of mind. 🛡️

The record
Technical detail
CVSS v3.0
9.8 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00646 · 50.3th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2025-08-20T16:26Z
EPSS history
Timeline
  • 20 AUG 16:26Z
    AOMEI Cyber Backup Missing Authentication for Critical Function Remote Code Execution Vulnerability
    cvelistv5