CVE-2025-14703: n3 Auth Bypass — Exploit

Description

A vulnerability has been found in Shiguangwu sgwbox N3 2.0.25. The affected element is an unknown function of the file /fsnotify of the component POST Message Handler. The manipulation of the argument token leads to improper authentication. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-287 Improper Authentication

Affected Products

Vendor	Product	Versions
sgwbox	n3_firmware	< 2.0.25
sgwbox	n3	All

References

Exploits

https://www.notion.so/sgwbox-NAS-N3-Auth-Bypass-2be6cf4e528a8092b261fbc2abc3430c?source=copy_link

Other References

https://vuldb.com/?ctiid.336420 https://vuldb.com/?id.336420 https://vuldb.com/?submit.706914

Frequently Asked Questions

What is CVE-2025-14703? +

A vulnerability has been found in Shiguangwu sgwbox N3 2.0.25. The affected element is an unknown function of the file /fsnotify of the component POST Message Handler. The manipulation of the argument token leads to improper authentication. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-14703? +

CVE-2025-14703 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-14703? +

CVE-2025-14703 affects products from sgwbox, specifically: n3, n3_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-14703? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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