CVE-2024-9644

Four-Faith F3x36 bapply.cgi Auth Bypass

Published Feb 4, 2025 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
The Four-Faith F3x36 router using firmware v2.0.0 is vulnerable to an
authentication bypass vulnerability in the administrative web server. Authentication is not enforced on some administrative functionality when using the "bapply.cgi" endpoint instead of the normal "apply.cgi" endpoint. A remote and unauthenticated can use this vulnerability to modify settings or chain with existing authenticated vulnerabilities.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-50379 The Four-Faith F3x36 router using firmware v2.0.0 is vulnerable to an authentication bypass vulnerability in the administrative web server. Authentication is not enforced on some administrative functionality when using the "bapply.cgi" endpoint instead of the normal "apply.cgi" endpoint. A remote and unauthenticated can use this vulnerability to modify settings or chain with existing authenticated vulnerabilities.
History
Type Values Removed Values Added
CPEs cpe:2.3:o:four-faith:f3x36_firmware:2.0.0:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Four-faith
Four-faith f3x36
Four-faith f3x36 Firmware
CPEs cpe:2.3:h:four-faith:f3x36:-:*:*:*:*:*:*:*
cpe:2.3:o:four-faith:f3x36_firmware:2.0:*:*:*:*:*:*:*
Vendors & Products Four-faith
Four-faith f3x36
Four-faith f3x36 Firmware
Type Values Removed Values Added
Metrics epss

{'score': 0.00271}

epss

{'score': 0.00318}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description The Four-Faith F3x36 router using firmware v2.0.0 is vulnerable to an authentication bypass vulnerability in the administrative web server. Authentication is not enforced on some administrative functionality when using the "bapply.cgi" endpoint instead of the normal "apply.cgi" endpoint. A remote and unauthenticated can use this vulnerability to modify settings or chain with existing authenticated vulnerabilities.
Title Four-Faith F3x36 bapply.cgi Auth Bypass
Weaknesses CWE-306
CWE-489
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 19, 2025, 8:35 PM
Reserved
Oct 8, 2024, 6:08 PM
Status
Analyzed
Published
Feb 4, 2025, 3:15 PM
Modified
Jun 17, 2026, 8:24 AM