CVE-2021-4470
Critical
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.
SeverityCritical
CVSS9.3
Exploit probability—
ProductTG8 Firewall
PublishedNov 14, 2025
First seenNov 14, 2025
Weakness typeCWE-78OS command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| TG8 TG8 Firewall | 0 | — |
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