#VU102460 OS Command Injection in F3x24 and F3x36 - CVE-2024-12856

Vulnerability identifier: #VU102460

Vulnerability risk: High

CVSSv4.0: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2024-12856

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
F3x24
Hardware solutions / Routers & switches, VoIP, GSM, etc
F3x36
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Four-Faith

Description

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation when modifying the system time via apply.cgi. A remote administrator can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note, the vulnerability is being actively exploited in the wild.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

F3x24: 2.0

F3x36: 2.0

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External links
https://ducklingstudio.blog.fc2.com/blog-entry-392.html
https://vulncheck.com/advisories/four-faith-time
https://vulncheck.com/blog/four-faith-cve-2024-12856
https://vulncheck.com/blog/four-faith-cve-2024-12856

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?