Improper Authentication in Shiguangwu sgwbox N3 by Shiguangwu
CVE-2025-14703

6.9MEDIUM

Key Information:

Vendor

Shiguangwu

Status
Sgwbox N3
Vendor
CVE Published:
15 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-14703?

A vulnerability exists within the Shiguangwu sgwbox N3 (version 2.0.25) that affects the POST Message Handler component. Specifically, an unknown function within the /fsnotify file can be manipulated through an argument token, leading to improper authentication. This issue allows for potential remote exploitation of the device. Despite early disclosure to the vendor, there has been no response, increasing the risk of this vulnerability being exploited publicly.

Affected Version(s)

sgwbox N3 2.0.25

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-14703 - Proof of Concept

References

https://vuldb.com/?id.336420
vdb-entrytechnical-description
https://vuldb.com/?ctiid.336420
signaturepermissions-required
https://vuldb.com/?submit.706914
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

rgyue (VulDB User)
JSON
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CVE-2025-14703 : Improper Authentication in Shiguangwu sgwbox N3 by Shiguangwu