What is the CVSS score of CVE-2024-12856?

CVE-2024-12856 has a CVSS 3.1 base score of 7.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 82.2%.

Is there a public PoC exploit available for CVE-2024-12856?

Yes, a public proof-of-concept exploit is available for CVE-2024-12856. Prioritise patching immediately. EPSS: 82.2%.

F3X36 Firmware CVE-2024-12856

HIGH

OS Command Injection (CWE-78)

2024-12-27 disclosure@vulncheck.com

Command Injection F3X36 Firmware F3X24 Firmware

7.2

CVSS 3.1 · Vendor: vulncheck

Severity by source

Vendor (vulncheck) PRIMARY

7.2 HIGH

AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (vulncheck) · only source for this CVE.

CVSS VectorVendor: vulncheck

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 27, 2024 - 16:15 cve.org

HIGH 7.2

DescriptionCVE.org

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.

AnalysisAI

The Four-Faith router models F3x24 and F3x36 are affected by an operating system (OS) command injection vulnerability. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. 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. Affected products include: Four-Faith F3X36 Firmware, Four-Faith F3X24 Firmware. Version information: version 2.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.