CVE-2024-9644Known exploitationNetwork attack vector

Unauthenticated setting modification via unchecked bapply.cgi

Published Feb 4, 2025 · Updated Nov 19, 2025

Authentication bypass in Four-Faith F3x36 firmware 2.0.0 allows remote attackers to modify router settings through bapply.cgi. The administrative web server exposes bapply.cgi as an alternate path to apply.cgi but omits authentication checks for some configuration functions. No credentials or user interaction are required, and unauthorized setting changes can enable chains with flaws otherwise limited to authenticated users.

CVSS severity9.8
Critical
EPSS probability0.67%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Four-Faith F3x36 firmware 2.0.0 allows remote attackers to modify router settings through bapply.cgi. The administrative web server exposes bapply.cgi as an alternate path to apply.cgi but omits authentication checks for some configuration functions. No credentials or user interaction are required, and unauthorized setting changes can enable chains with flaws otherwise limited to authenticated users.

The record

CVE
CVE-2024-9644
Published
Feb 4, 2025
Updated
Nov 19, 2025
Vendor
Four-Faith
Product
F3X36 Industrial Router
Classifications
CWE-306, CWE-489, CAPEC-115, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 4, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 19, 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?

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  1. Affected versionversion=2.0.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Four-Faith · F3X36 Industrial Routerversion=2.0.0

Published CVSS scores

9.8VulnCheckCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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 exploitationReported
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function
CWE-489Active Debug Code
CAPEC-115Authentication Bypass
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Reported exploitation

Technologies

Your stack

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Your stack

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