Vulnerability Description
A command injection vulnerability in the web interface of the Zyxel NWA-1100-NH firmware could allow an attacker to execute arbitrary OS commands on the device.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | Nwa1100-Nh Firmware | < 2.12\(aasi.3\)c0 |
| Zyxel | Nwa1100-Nh | - |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/166752/Zyxel-NWA-1100-NH-Command-Injection.ExploitRelease NotesThird Party Advisory
- https://www.zyxel.com/support/OS-command-injection-vulnerability-of-NWA1100-NH-aPatchVendor Advisory
- http://packetstormsecurity.com/files/166752/Zyxel-NWA-1100-NH-Command-Injection.ExploitRelease NotesThird Party Advisory
- https://www.zyxel.com/support/OS-command-injection-vulnerability-of-NWA1100-NH-aPatchVendor Advisory
FAQ
What is CVE-2021-4039?
CVE-2021-4039 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A command injection vulnerability in the web interface of the Zyxel NWA-1100-NH firmware could allow an attacker to execute arbitrary OS commands on the device.
How severe is CVE-2021-4039?
CVE-2021-4039 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-4039?
Check the references section above for vendor advisories and patch information. Affected products include: Zyxel Nwa1100-Nh Firmware, Zyxel Nwa1100-Nh.