// For flags

CVE-2021-44827

 

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

3
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

There is remote authenticated OS command injection on TP-Link Archer C20i 0.9.1 3.2 v003a.0 Build 170221 Rel.55462n devices vie the X_TP_ExternalIPv6Address HTTP parameter, allowing a remote attacker to run arbitrary commands on the router with root privileges.

Se ha detectado una inyección de comandos del Sistema Operativo autenticado en dispositivos TP-Link Archer C20i 0.9.1 3.2 versión v003a.0 Build 170221 Rel.55462n, mediante el parámetro HTTP X_TP_ExternalIPv6Address, permitiendo a un atacante remoto ejecutar comandos arbitrarios en el router con privilegios de root

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-12-11 CVE Reserved
  • 2022-03-02 First Exploit
  • 2022-03-04 CVE Published
  • 2024-05-26 EPSS Updated
  • 2024-08-04 CVE 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
Tp-link
Search vendor "Tp-link"
Archer C20i Firmware
Search vendor "Tp-link" for product "Archer C20i Firmware"
<= 170221
Search vendor "Tp-link" for product "Archer C20i Firmware" and version " <= 170221"
-
Affected
in Tp-link
Search vendor "Tp-link"
Archer C20i
Search vendor "Tp-link" for product "Archer C20i"
--
Safe