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CVE-2024-12856— Four-Faith Industrial Router adjust_sys_time OS Command Injection

Quick assessment

Affected
Four-Faith F3x24
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Four-Faith F3x24和Four-Faith F3x36都是中国四信（Four-Faith）公司的一款便携式无线移动路由器。 Four-Faith F3x24和Four-Faith F3x36存在安全漏洞。攻击者利用该漏洞可以通过 apply.cgi 修改系统时间时通过 HTTP 执行任意操作系统命令。

CVSS 7.2 · High EPSS 84.12% · P100
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I. Basic Information for CVE-2024-12856

Vulnerability Information
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Vulnerability Title
Four-Faith Industrial Router adjust_sys_time OS Command Injection
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Four-Faith F3x24和Four-Faith F3x36 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Four-Faith F3x24和Four-Faith F3x36都是中国四信（Four-Faith）公司的一款便携式无线移动路由器。 Four-Faith F3x24和Four-Faith F3x36存在安全漏洞。攻击者利用该漏洞可以通过 apply.cgi 修改系统时间时通过 HTTP 执行任意操作系统命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Four-Faith F3x24 2.0 -
Four-Faith F3x36 2.0 -

II. Public POCs for CVE-2024-12856

# POC Description Source Link Shenlong Link
1 An exploit for Four-Faith routers to get a reverse shell https://github.com/nu113d/CVE-2024-12856 POC Details
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III. Intelligence Information for CVE-2024-12856

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Vendor Advisories for CVE-2024-12856 (1)

Security Blog Posts for CVE-2024-12856 (2)

IV. Related Vulnerabilities

Same vendor: Four-Faith
Same weakness: CWE-78

V. Comments for CVE-2024-12856

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