CVE-2024-9643: Four-Faith F3x36 · Active Debug Code
Affects Four-Faith F3x36Source CVE Database V5
Mentioned vulnerabilities
Not known to be exploited · public detection template (Nuclei) · CVSS 9.8 Critical.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 3.0% chance of exploitation in 30 days – higher than 87% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 4 Feb 2025
Detectable: evidence found.
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Four-Faith F3x36 | Affected
| Fixed in– |
AI-suggested
- Immediately isolate Four-Faith F3x36 routers running firmware v2.0.0 from untrusted networks, especially the internet.
- Restrict access to the administrative web interface using network segmentation, firewall rules, or VPNs limited to trusted personnel.
- Monitor network traffic for unusual HTTP requests targeting the router's management interface and implement intrusion detection signatures where possible.
- Disable or restrict remote management features if not essential.
- Engage with Four-Faith support channels to obtain firmware updates or patches as they become available.
- Consider replacing affected devices with alternative hardware from vendors with stronger security postures if patching is delayed.
- Conduct thorough audits of network devices to identify any unauthorized configuration changes or signs of compromise.
- Implement multi-factor authentication and strong credential management on all network devices to reduce risk from similar vulnerabilities.
- Maintain up-to-date asset inventories to quickly identify affected devices across the organization.
- Educate network administrators about this vulnerability and the importance of securing device management interfaces.
Description
The Four-Faith F3x36 router using firmware v2.0.0 is vulnerable to authentication bypass due to hard-coded credentials in the administrative web server. An attacker with knowledge of the credentials can gain administrative access via crafted HTTP requests. This issue appears similar to CVE-2023-32645.