Four-Faith F3x36 bapply.cgi Auth Bypass
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Four-Faith | F3x36 | 2.0.0 | — | No fix listed | CNA |
- F3x36 VendorFour-Faith Affected 2.0.0 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:four-faith:f3x36_firmware:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | Four-Faith |
| cpe:2.3:h:four-faith:f3x36:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Four-Faith |
- cpe:2.3:o:four-faith:f3x36_firmware:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Four-Faith
- cpe:2.3:h:four-faith:f3x36:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Four-Faith
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-9644
- 2026-10-03 Alias added: GHSA-54hp-v955-wr4h
References
—
More Four-Faith F3x36 Firmware vulnerabilities
- TI-2024-08946 Four-Faith F3x36 Hidden Debug Credentials CVSS 3.1CRITICAL 9.8
- TI-2024-11915 Four-Faith Industrial Router adjust_sys_time OS Command Injection CVSS 3.1HIGH 7.2
Sources
- CVE-2024-9644 · CVE Program
- CVE-2024-9644 · NVD
- FIRST EPSS
- GHSA-54hp-v955-wr4h · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences