// For flags

CVE-2022-38132

Command injection vulnerability in Linksys MR8300 router while Registration to DDNS Service. By specifying username and password, an attacker connected to the router's web interface can execute arbitrary OS commands.

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Command injection vulnerability in Linksys MR8300 router while Registration to DDNS Service. By specifying username and password, an attacker connected to the router's web interface can execute arbitrary OS commands. The username and password fields are not sanitized correctly and are used as URL construction arguments, allowing URL redirection to an arbitrary server, downloading an arbitrary script file, and eventually executing the file in the device. This issue affects: Linksys MR8300 Router 1.0.

Una vulnerabilidad de inyección de Comandos en el router Linksys MR8300 mientras es registrado en el servicio DDNS. Al especificar el nombre de usuario y la contraseña, un atacante conectado a la interfaz web del router puede ejecutar comandos arbitrarios del Sistema Operativo. Los campos de nombre de usuario y contraseña no están saneados correctamente y son usados como argumentos de construcción de URL, lo que permite redirigir la URL a un servidor arbitrario, descargar un archivo de script arbitrario y, finalmente, ejecutar el archivo en el dispositivo. Este problema afecta a: Router Linksys MR8300 versión 1.0.

*Credits: Cybellum Technologies LTD.
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-08-10 CVE Reserved
  • 2022-08-23 CVE Published
  • 2024-03-15 EPSS Updated
  • 2024-09-16 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
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
Linksys
Search vendor "Linksys"
 Mr8300 Firmware
Search vendor "Linksys" for product "Mr8300 Firmware"
 1.0
Search vendor "Linksys" for product "Mr8300 Firmware" and version "1.0"
-
Affected
in Linksys
Search vendor "Linksys"
 Mr8300
Search vendor "Linksys" for product "Mr8300"
--
Safe