Vulnerability Description
A command injection vulnerability in the CGI program of the Zyxel ARMOR Z1/Z2 firmware could allow an attacker to execute arbitrary OS commands via a LAN interface.
CVSS Score
8.8
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | Nbg6816 Firmware | 1.00\(aawb.10\)c0 |
| Zyxel | Nbg6816 | - |
| Zyxel | Nbg6817 Firmware | < 1.00\(abcs.11\)c0 |
| Zyxel | Nbg6817 | - |
Related Weaknesses (CWE)
References
- https://www.zyxel.com/support/forgery-vulnerabilities-of-select-Armor-home-routeVendor Advisory
- https://www.zyxel.com/support/forgery-vulnerabilities-of-select-Armor-home-routeVendor Advisory
FAQ
What is CVE-2021-4029?
CVE-2021-4029 is a vulnerability with a CVSS score of 8.8 (HIGH). A command injection vulnerability in the CGI program of the Zyxel ARMOR Z1/Z2 firmware could allow an attacker to execute arbitrary OS commands via a LAN interface.
How severe is CVE-2021-4029?
CVE-2021-4029 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-4029?
Check the references section above for vendor advisories and patch information. Affected products include: Zyxel Nbg6816 Firmware, Zyxel Nbg6816, Zyxel Nbg6817 Firmware, Zyxel Nbg6817.