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Vulnerability record · CVE-2024-9644 · published 4 February 2025

CVE-2024-9644: Four-faith f3x36 firmware missing authentication for critical function vulnerability

Four Faith · F3x36 Firmware

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.

9.8 CVSS 3.1 Critical EPSS 0.67% · top 49.8% CWE-306 · Missing authentication for critical functionCWE-489 · CWE-489
9.8CVSS 3.1 base score
0.67%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://vulncheck.com/advisories/four-faith-hidden-api Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-9643Four-faith f3x36 firmware hard-coded credentials vulnerabilityThe Four-Faith F3x36 router using firmware v2.0.0 is vulnerable to authentication bypass due to hard-coded credentials in the administrative web serv…EPSS 3.0%7.2CVE-2024-12856Four-Faith F3x24/F3x36 routers OS command injection via apply.cgiFour-Faith router models F3x24 and F3x36 contain an OS command injection flaw in apply.cgi, reachable when modifying the system time over HTTP. Firmw…EPSS 84%analysed8.8CVE-2026-67277MikroTik RouterOS btest missing authentication leaks kernel memory and crashes kernelRouterOS accepts a "related" btest connection before the primary session is authenticated, letting an unauthenticated client start an IPv4 UDP test. …KEVEPSS 1.6%analysed8.8CVE-2026-59822LiteLLM MCP endpoint auth bypass via OAuth2 passthrough fallbackLiteLLM's MCP Streamable HTTP endpoint, prior to 1.84.0, let an unauthenticated attacker send a fabricated Authorization header that triggered an OAu…KEVEPSS 0.84%analysed9.3CVE-2026-72529TrueConf Server missing authentication allows remote script executionTrueConf Server versions 5.3.X through 5.3.9, 5.4.X through 5.4.9, 5.5.X through 5.5.5, and earlier expose an undocumented function on port 4307/TCP …KEVEPSS 1.5%analysed9.8CVE-2026-46817Oracle E-Business Suite Payments missing authentication allows takeoverOracle Payments in Oracle E-Business Suite 12.2.3 through 12.2.15 contains an easily exploitable flaw in the File Transmission component. An unauthen…KEVEPSS 0.81%analysed9.8CVE-2026-56164Microsoft SharePoint Server missing authentication allows privilege elevationMicrosoft Office SharePoint Server contains a missing authentication flaw in a critical function (CWE-306), letting an unauthenticated attacker reach…KEVEPSS 1.0%analysed9.8CVE-2026-20253Splunk Enterprise PostgreSQL sidecar missing authentication allows file writesSplunk Enterprise 10.2 below 10.2.4 and 10.x below 10.0.7 expose a PostgreSQL sidecar service endpoint that lacks authentication controls. Any networ…KEVEPSS 97%analysed

Source: NIST National Vulnerability Database (record CVE-2024-9644), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.