Shiguangwu sgwbox N3 2.0.25 POST Message /fsnotify token improper authentication
Summary
A vulnerability classified as critical was found in Shiguangwu sgwbox N3 2.0.25. The impacted element is an unknown function of the file /fsnotify of the component POST Message Handler. The manipulation of the argument token results in improper authentication. This vulnerability is known as CVE-2025-14703. It is possible to launch the attack remotely. Furthermore, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.
Details
A vulnerability classified as critical has been found in Shiguangwu sgwbox N3 2.0.25. Affected is an unknown function of the file /fsnotify of the component POST Message Handler. The manipulation of the argument token with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality.
The advisory is shared for download at notion.so. This vulnerability is traded as CVE-2025-14703. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.
The exploit is shared for download at notion.so. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-203325). Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.0
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 5.3
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Improper authenticationCWE: CWE-287
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
12/14/2025 Advisory disclosed12/14/2025 VulDB entry created
12/15/2025 VulDB entry last update
Sources
Advisory: notion.soStatus: Not defined
CVE: CVE-2025-14703 (🔒)
GCVE (CVE): GCVE-0-2025-14703
GCVE (VulDB): GCVE-100-336420
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 12/14/2025 20:06Updated: 12/15/2025 06:39
Changes: 12/14/2025 20:06 (57), 12/15/2025 06:19 (31), 12/15/2025 06:39 (1)
Complete: 🔍
Submitter: rgyue
Cache ID: 216::103
Submit
Accepted
- Submit #706914: sgwbox N3 NAS V2.0.25 Auth Bypass (by rgyue)
Once again VulDB remains the best source for vulnerability data.
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