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CVE-2025-14187— UGREEN DH2100+ nas_svr create handler_file_backup_create buffer overflow

Quick assessment

Affected
UGREEN DH2100+
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

UGREEN DH2100+是中国绿联（UGREEN）公司的一款私有云存储设备。 UGREEN DH2100+ 5.3.0.251125及之前版本存在安全漏洞，该漏洞源于组件nas_svr中文件/v1/file/backup/create的函数handler_file_backup_create对参数path的错误操作，可能导致缓冲区溢出。

CVSS 7.2 · High EPSS 0.63% · P48
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I. Basic Information for CVE-2025-14187

Vulnerability Information
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Vulnerability Title
UGREEN DH2100+ nas_svr create handler_file_backup_create buffer overflow
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
UGREEN DH2100+ 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UGREEN DH2100+是中国绿联（UGREEN）公司的一款私有云存储设备。 UGREEN DH2100+ 5.3.0.251125及之前版本存在安全漏洞，该漏洞源于组件nas_svr中文件/v1/file/backup/create的函数handler_file_backup_create对参数path的错误操作，可能导致缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
UGREEN DH2100+ 5.3.0.251125 -

II. Public POCs for CVE-2025-14187

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III. Intelligence Information for CVE-2025-14187

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IV. Related Vulnerabilities

Same product: DH2100+
Same vendor: UGREEN
Same weakness: CWE-120

V. Comments for CVE-2025-14187

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