UGREEN DH2100+ nas_svr create handler_file_backup_create buffer overflow
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
A weakness has been identified in UGREEN DH2100+ up to 5.3.0.251125. This affects the function handler_file_backup_create of the file /v1/file/backup/create of the component nas_svr. Executing a manipulation of the argument path can lead to buffer overflow. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. It is recommended to upgrade the affected component.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-14187
- 2026-10-03 Alias added: GHSA-mx5f-4vx4-2f5r
- 2026-11-03 EPSS moved to the 50th–90th percentile
References
More UGREEN vulnerabilities
- TI-2025-12966 UGREEN DH2100+ nas_svr create handler_file_backup_create command injection CVSS 4.0HIGH 8.6
- TI-2025-13415 Ugreen DH2100+ USB symlink CVSS 4.0HIGH 7.0
- TI-2026-07206 UGREEN CM933 Administrative missing authentication CVSS 4.0MEDIUM 5.3
Sources
- CVE-2025-14187 · CVE Program
- CVE-2025-14187 · NVD
- FIRST EPSS
- GHSA-mx5f-4vx4-2f5r · GitHub Advisory Database · CC BY 4.0
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