// For flags

CVE-2022-40855

 

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Tenda W20E router V15.11.0.6 contains a stack overflow in the function formSetPortMapping with post request 'goform/setPortMapping/'. This vulnerability allows attackers to cause a Denial of Service (DoS) or Remote Code Execution (RCE) via the portMappingServer, portMappingProtocol, portMappingWan, porMappingtInternal, and portMappingExternal parameters.

El router Tenda W20E versión V15.11.0.6, contiene un desbordamiento de pila en la función formSetPortMapping con la petición /goform/setPortMapping/. Esta vulnerabilidad permite a atacantes causar una Denegación de Servicio (DoS) o una Ejecución de Código Remota (RCE) por medio de los parámetros portMappingServer, portMappingProtocol, portMappingWan, porMappingtInternal y portMappingExternal.

*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
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-09-19 CVE Reserved
  • 2022-09-23 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • 2024-09-07 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Tenda
Search vendor "Tenda"
 W20e Firmware
Search vendor "Tenda" for product "W20e Firmware"
 15.11.0.6
Search vendor "Tenda" for product "W20e Firmware" and version "15.11.0.6"
-
Affected
in Tenda
Search vendor "Tenda"
 W20e
Search vendor "Tenda" for product "W20e"
--
Safe