Ugreen DH2100+ up to 5.3.0 USB symlink

Summaryinfo

A vulnerability was found in Ugreen DH2100+ up to 5.3.0. It has been classified as critical. This impacts an unknown function of the component USB Handler. Performing a manipulation results in symlink. This vulnerability is identified as CVE-2025-14693. The attack may be carried out on the physical device. Additionally, an exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Ugreen DH2100+ up to 5.3.0. This affects an unknown code block of the component USB Handler. The manipulation with an unknown input leads to a symlink vulnerability. CWE is classifying the issue as CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. This is going to have an impact on confidentiality, integrity, and availability.

It is possible to read the advisory at notion.so. This vulnerability is uniquely identified as CVE-2025-14693. The exploitability is told to be easy. Attacking locally is a requirement. The exploitation needs additional levels of successful authentication. Technical details are unknown but a public exploit is available.

The exploit is shared for download at notion.so. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-203318). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.2
VulDB Temp Score: 5.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.2
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Symlink
CWE: CWE-61 / CWE-59
CAPEC: 🔒
ATT&CK: 🔒

Physical: Yes
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

12/14/2025 Advisory disclosed
12/14/2025 +0 days VulDB entry created
01/28/2026 +45 days VulDB entry last update

Sourcesinfo

Advisory: notion.so
Status: Confirmed

CVE: CVE-2025-14693 (🔒)
GCVE (CVE): GCVE-0-2025-14693
GCVE (VulDB): GCVE-100-336411
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/14/2025 11:53
Updated: 01/28/2026 09:44
Changes: 12/14/2025 11:53 (55), 12/15/2025 03:19 (30), 12/15/2025 05:23 (1), 01/28/2026 07:52 (20), 01/28/2026 09:44 (3)
Complete: 🔍
Submitter: rgyue
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #704646: Ugreen NAS DH2100+ V5.3.0 Incorrect Access Control (by rgyue)

Duplicate

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

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