CVE-2021-4470

TG8 Firewall Unauthenticated RCE via runphpcmd.php

Published Nov 14, 2025 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Tg8
Tg8 tg8 Firewall
CPEs cpe:2.3:a:tg8:tg8_firewall:-:*:*:*:*:*:*:*
Vendors & Products Tg8
Tg8 tg8 Firewall
Type Values Removed Values Added
First Time appeared Togrow
Togrow tg8 Firewall
Vendors & Products Togrow
Togrow tg8 Firewall
Type Values Removed Values Added
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.
Title TG8 Firewall Unauthenticated RCE via runphpcmd.php
Weaknesses CWE-78
References
Metrics cvssV4_0

{'score': 9.3, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 18, 2025, 4:20 PM
Reserved
Nov 14, 2025, 8:52 PM
Status
Deferred
Published
Nov 14, 2025, 11:15 PM
Modified
Jun 17, 2026, 4:19 AM