CVE-2025-14187
UGREEN DH2100+ nas_svr create handler_file_backup_create buffer overflow
- State
- Published
- Severity
- 8.6 High
- Published
- Dec 7, 2025
- Updated
- Jan 28, 2026
- Reserved
- Dec 6, 2025
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 7.2 High | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C | VulDB |
| 3.0 | 7.2 High | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C | VulDB |
| 2.0 | 8.3 High | AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
DH2100+UGREEN |
|
References
- VDB-334607 | UGREEN DH2100+ nas_svr create handler_file_backup_create buffer overflowvdb-entrytechnical-description
- VDB-334607 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #698652 | UGREEN DH2100+ NAS V4.2.0.601 Buffer Overflowthird-party-advisory
- https://www.notion.so/2b16cf4e528a80bbb5fdeff145f110ecexploit
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