// For flags

CVE-2024-0539

Tenda W9 httpd formQosManage_user stack-based overflow

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

A vulnerability was found in Tenda W9 1.0.0.7(4456) and classified as critical. This issue affects the function formQosManage_user of the component httpd. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-250709 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Una vulnerabilidad fue encontrada en Tenda W9 1.0.0.7(4456) y clasificada como crítica. Este problema afecta la función formQosManage_user del componente httpd. La manipulación del argumento ssidIndex provoca un desbordamiento de búfer en la región stack de la memoria. El ataque puede iniciarse de forma remota. La explotación ha sido divulgada al público y puede utilizarse. A esta vulnerabilidad se le asignó el identificador VDB-250709. NOTA: Se contactó primeramente con el proveedor sobre esta divulgación, pero no respondió de ninguna manera.

Eine kritische Schwachstelle wurde in Tenda W9 1.0.0.7(4456) gefunden. Hierbei geht es um die Funktion formQosManage_user der Komponente httpd. Durch Manipulieren des Arguments ssidIndex mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff über das Netzwerk. Der Exploit steht zur öffentlichen Verfügung.

*Credits: jylsec
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
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
  • 2024-01-14 CVE Reserved
  • 2024-01-15 CVE Published
  • 2024-08-01 CVE Updated
  • 2024-08-01 First Exploit
  • 2024-08-23 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-121: Stack-based Buffer Overflow
  • CWE-787: Out-of-bounds Write
CAPEC
References (1)
URL Tag Source
URL Date SRC
https://github.com/jylsec/vuldb/blob/main/Tenda/W9/4/README.md 2024-08-01
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Tenda
Search vendor "Tenda"
 W9 Firmware
Search vendor "Tenda" for product "W9 Firmware"
 1.0.0.7\(4456\)
Search vendor "Tenda" for product "W9 Firmware" and version "1.0.0.7\(4456\)"
-
Affected
in Tenda
Search vendor "Tenda"
 W9
Search vendor "Tenda" for product "W9"
--
Safe