How severe is CVE-2024-9643?

CVE-2024-9643 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-9643 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-9643?

CVE-2024-9643 affects Four-faith F3x36 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-9643?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-9643 have an EU (EUVD) identifier?

Yes. CVE-2024-9643 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-50421.

When was CVE-2024-9643 published?

CVE-2024-9643 was published on 2025-02-04 and last updated on 2026-06-17.

CVE-2024-9643

CVE-2024-9643 is a critical-severity vulnerability in Four-faith F3x36 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-50421
Weakness: CWE-798
Affected product: Four-faith F3x36 Firmware
Published: 2025-02-04
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-9643?: 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.
How severe is CVE-2024-9643?: CVE-2024-9643 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-9643 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-9643?: CVE-2024-9643 affects Four-faith F3x36 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-9643?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-9643 have an EU (EUVD) identifier?: Yes. CVE-2024-9643 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-50421.
When was CVE-2024-9643 published?: CVE-2024-9643 was published on 2025-02-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:four-faith:f3x36_firmware:2.0:*:*:*:*:*:*:*

More vulnerabilities in Four-faith F3x36 Firmware

CVE-2024-9644 — Critical (CVSS 9.8): The Four-Faith F3x36 router using firmware v2.0.0 is vulnerable to an authentication bypass vulnerability in the…
CVE-2024-12856 — High (CVSS 7.2): The Four-Faith router models F3x24 and F3x36 are affected by an operating system (OS) command injection vulnerability.…

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