CVE-2021-4470

CVSS

No CVSS.

T

G8 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.

References

Link	Resource
https://ssd-disclosure.com/ssd-advisory-tg8-firewall-preauth-rce-and-password-disclosure/
https://web.archive.org/web/20211024224240/http://www.tg8security.com/
https://www.vulncheck.com/advisories/tg8-firewall-unauthenticated-rce-via-runphpcmd-php
https://ssd-disclosure.com/ssd-advisory-tg8-firewall-preauth-rce-and-password-disclosure/

Configurations

No configuration.

History

18 Nov 2025, 17:15

Type	Values Removed	Values Added
References	~~() https://ssd-disclosure.com/ssd-advisory-tg8-firewall-preauth-rce-and-password-disclosure/ -~~	() https://ssd-disclosure.com/ssd-advisory-tg8-firewall-preauth-rce-and-password-disclosure/ -

14 Nov 2025, 23:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-11-14 23:15

Updated : 2025-11-18 17:15

NVD link : CVE-2021-4470

Mitre link : CVE-2021-4470

CVE.ORG link : CVE-2021-4470

JSON object : View

Products Affected

No product.

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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