CVE-2024-12856
CVSS v3
7.2
HIGH
EPSS Score
84.1 %
exploit probability, as of 2026-10-03
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
The Four-Faith router models F3x24 and F3x36 are affected by an operating system (OS) command injection vulnerability. At least firmware version 2.0 allows authenticated and remote attackers to execute arbitrary OS commands over HTTP when modifying the system time via apply.cgi. Additionally, this firmware version has default credentials which, if not changed, would effectively change this vulnerability into an unauthenticated and remote OS command execution issue.
Technical details
- Published
- 2024-12-27
Frequently asked questions
What is CVE-2024-12856?
The Four-Faith router models F3x24 and F3x36 are affected by an operating system (OS) command injection vulnerability. At least firmware version 2.0 allows authenticated and remote attackers to execute arbitrary OS commands over HTTP when modifying the system time via apply.cgi. Additionally, this firmware version has default credentials which, if not changed, would effectively change this vulnerability into an unauthenticated and remote OS command execution issue.
Is CVE-2024-12856 actively exploited?
Active exploitation of CVE-2024-12856 has not been confirmed. Its EPSS score was 84.1% on 2026-10-03, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2024-12856?
CVE-2024-12856 has a CVSS v3 base score of 7.2 (HIGH severity).
Is CVE-2024-12856 affecting your environment?
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