Auth bypass in Sgwbox N3
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.007 (50.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: -0.000
Affected products
- Sgwbox N3
- Sgwbox N3 Firmware
- Shiguangwu Sgwbox N3 — versions 2.0.25
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- www.notion.so/sgwbox-NAS-N3-Auth-Bypass-2be6cf4e528a8092b261fbc2abc3430c (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2025-14703?
- CVE-2025-14703 is a medium-severity vulnerability in Sgwbox N3, classified under Improper Authentication. CVSS score: 5.3/10. Published 2025-12-15.
- How severe is CVE-2025-14703?
- Medium severity. CVSS v3 base score is 5.3 out of 10.