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CVE-2021-4470— TG8 Firewall Unauthenticated RCE via runphpcmd.php

Quick assessment

Affected
TG8 TG8 Firewall
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TG8 Firewall是TG8公司的一款防火墙。 TG8 Firewall存在安全漏洞，该漏洞源于runphpcmd.php端点未验证syscmd参数，可能导致远程代码执行。

AI Predicted 10.0 Difficulty: Trivial EPSS 1.01% · P60

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-4470

Vulnerability Information
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Vulnerability Title
TG8 Firewall Unauthenticated RCE via runphpcmd.php
Source: CVE Program / CVE List V5
Vulnerability Description
TG8 Firewall contains a pre-authentication remote code execution vulnerability in the runphpcmd.php endpoint. The syscmd POST parameter is passed directly to a system command without validation and executed with root privileges. A remote, unauthenticated attacker can supply crafted values to execute arbitrary operating system commands as root, resulting in full device compromise.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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
TG8 Firewall 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TG8 Firewall是TG8公司的一款防火墙。 TG8 Firewall存在安全漏洞，该漏洞源于runphpcmd.php端点未验证syscmd参数，可能导致远程代码执行。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TG8 TG8 Firewall 0 -

II. Public POCs for CVE-2021-4470

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III. Intelligence Information for CVE-2021-4470

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Vendor Advisories for CVE-2021-4470 (1)

IV. Related Vulnerabilities

Same product: TG8 Firewall
Same vendor: TG8
Same weakness: CWE-78

V. Comments for CVE-2021-4470

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