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Fencer Intel
critical 9.8

CVE-2024-9643 json

Four-Faith F3x36 Hidden Debug Credentials

published last yr. modified 4mo ago also EUVD-2024-50421

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.0%
EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

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.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
last yr.

Exploit prediction

2.99% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

  • talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2023-1752 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Four-Faith F3x36

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.