CVE-2025-8611

critical · 9.8

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.

9.8

CVSS

0.6%

EPSS (exploit prob.)

50th

EPSS percentile

2025-08-20

Published

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

Weaknesses

CWE-306

Affected products

Vendor	Product	Affected versions
aomeitech	cyber_backup	3.7.0

Check a specific version with /api/v1/cve/match.

References

https://www.zerodayinitiative.com/advisories/ZDI-25-807/

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-8611