Zyxel security advisory for OS command injection vulnerability of NWA1100-NH access point
CVE: CVE-2021-4039
Summary
Zyxel has released a patch addressing an OS command injection vulnerability in the NWA1100-NH access point. Users are advised to install it for optimal protection.
What are the vulnerabilities?
An OS command-injection vulnerability in the NWA1100-NH access point could allow an attacker to execute arbitrary OS commands via the web interface of the vulnerable device.
What versions are vulnerable—and what should you do?
After a thorough investigation, we’ve identified only one vulnerable product and released a firmware patch to address the issue, as shown in the table below.
| Affected model | Patch availability |
|---|---|
| NWA1100-NH | 2.12(AASI.3)C0 |
Got a question?
Please contact your local service rep or visit Zyxel’s forum for further information or assistance.
Acknowledgment
Thanks to Ahmed Alroky for reporting the issue to us.
Revision history
2022-03-01: Initial release