Vulnerability record · CVE-2025-14703 · published 15 December 2025
CVE-2025-14703: Sgwbox n3 firmware improper authentication vulnerability
Sgwbox · N3 Firmware
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.
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:
Affected products
1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
| Link | Tags |
|---|---|
| https://vuldb.com/?ctiid.336420 | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.336420 | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.706914 | Third Party AdvisoryVDB Entry |
| https://www.notion.so/sgwbox-NAS-N3-Auth-Bypass-2be6cf4e528a8092b261fbc2abc3430c?source=copy_link | ExploitThird Party Advisory |
Track CVE-2025-14703 inside VULONE
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Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
Source: NIST National Vulnerability Database (record CVE-2025-14703), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.