OS Command Injection in Four-Faith F3x24 and F3x36 routers

1) OS Command Injection

EUVDB-ID: #VU102460

Risk: High

CVSSv3.1: 7.2 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:H/RL:U/RC:C]

CVE-ID: CVE-2024-12856

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

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

CPE2.3

• cpe:2.3:h:four-faith:f3x24:2.0:*:*:*:*:*:*:*
• cpe:2.3:h:four-faith:f3x36:2.0:*:*:*:*:*:*:*

External links

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

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.