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TI-2025-07882 Aliases CVE-2025-8611GHSA-r944-m35h-4q37

Missing authentication in AOMEI Cyber Backup

Priority MEDIUM 50CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00646 51st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AOMEICyber Backup3.7.0—No fix listedCNA
  • Cyber Backup VendorAOMEI Affected 3.7.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:aomeitech:cyber_backup:3.7.0:*:*:*:*:*:*:*3.7.0VulnerableAomeitech
  • cpe:2.3:a:aomeitech:cyber_backup:3.7.0:*:*:*:*:*:*:* Versions 3.7.0 Vulnerable ·Aomeitech

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-8611
  2. 2026-10-03 Alias added: GHSA-r944-m35h-4q37
  3. 2026-10-20 EPSS moved to the 50th–90th percentile

References

Advisory 1

  • TI-2026-10924 AOMEI Backupper Kernel Driver amwrtdrv.sys access control CVSS 4.0HIGH 8.5
  • TI-2026-10923 AOMEI Dynamic Disk Manager Kernel Driver ddmdrv.sys access control CVSS 4.0HIGH 8.5
  • TI-2026-10922 AOMEI Partition Assistant Kernel Driver ampa10.sys access control CVSS 4.0HIGH 8.5
  • TI-2025-07881 Missing authentication in AOMEI Cyber Backup CVSS 3.0CRITICAL 9.8
  • TI-2025-07883 Link following in AOMEI Backupper Workstation CVSS 3.0HIGH 7.3

Sources