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CVE-2021-4029 Details
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.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.zyxel.com/support/forgery-vulnerabilities-of-select-Armor-home-routers.shtml | CVE | Vendor Advisory |
| https://www.zyxel.com/support/forgery-vulnerabilities-of-select-Armor-home-routers.shtml | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | [email protected] |
| CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| zyxel nbg6816 firmware | 1.00(aawb.10)c0 |
CPE
Remediation
| |
| zyxel nbg6816 | All versions |
CPE
Remediation
| |
| zyxel nbg6817 firmware | < 1.00\(abcs.11\)c0 |
CPE
Remediation
| |
| zyxel nbg6817 | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Mar 2, 2022 | Initial Analysis | [email protected] |