CVE-2025-14703Public exploitNetwork attack vector

Unauthenticated data disclosure via crafted fsnotify token

Published Dec 15, 2025 · Updated Dec 15, 2025

Improper authentication in the /fsnotify POST handler in sgwbox N3 Firmware 2.0.25 allows remote attackers to read data via a crafted token. The published record identifies token processing at /fsnotify but does not disclose the authentication check or why a crafted token is accepted. No credentials or user interaction are required; the reported consequence is limited to low-sensitivity information disclosure.

CVSS severity5.3
Medium
EPSS probability0.68%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authentication in the /fsnotify POST handler in sgwbox N3 Firmware 2.0.25 allows remote attackers to read data via a crafted token. The published record identifies token processing at /fsnotify but does not disclose the authentication check or why a crafted token is accepted. No credentials or user interaction are required; the reported consequence is limited to low-sensitivity information disclosure.

The record

CVE
CVE-2025-14703
Published
Dec 15, 2025
Updated
Dec 15, 2025
Vendor
Shanghai Shiguangwu Intelligent Technology Co., Ltd.
Product
sgwbox N3 Firmware
Classifications
CWE-287, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 15, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 15, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.0.25

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Shanghai Shiguangwu Intelligent Technology Co., Ltd. · sgwbox N3 Firmwareversion=2.0.25

Published CVSS scores

5.0VulDBAV:N/AC:L/Au:N/C:P/I:N/A:N
5.5VulDBCVSS: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
5.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-287Improper Authentication
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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