// For flags

CVE-2021-4039

Zyxel NWA-1100-NH - Command Injection

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Una vulnerabilidad de inyección de comandos en la interfaz web del firmware Zyxel NWA-1100-NH podría permitir a un atacante ejecutar comandos arbitrarios del Sistema Operativo en el dispositivo.

Zyxel NWA-1100-NH suffers from a command injection vulnerability.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-12-02 CVE Reserved
  • 2022-03-01 CVE Published
  • 2022-04-19 First Exploit
  • 2024-08-03 CVE Updated
  • 2024-11-14 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Zyxel
Search vendor "Zyxel"
 Nwa1100-nh Firmware
Search vendor "Zyxel" for product "Nwa1100-nh Firmware"
 < 2.12\(aasi.3\)c0
Search vendor "Zyxel" for product "Nwa1100-nh Firmware" and version " < 2.12\(aasi.3\)c0"
-
Affected
in Zyxel
Search vendor "Zyxel"
 Nwa1100-nh
Search vendor "Zyxel" for product "Nwa1100-nh"
--
Safe