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

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-12-07 · updated 2026-09-25
Weakness: CWE-119

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.

Affected products

UGREEN DH2100+: 5.3.0.251125

References

https://vuldb.com/?ctiid.334607
https://vuldb.com/?id.334607
https://vuldb.com/?submit.698652
https://www.notion.so/2b16cf4e528a80bbb5fdeff145f110ec

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