// For flags

CVE-2024-0540

Tenda W9 httpd formOfflineSet 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). It has been classified as critical. Affected is the function formOfflineSet of the component httpd. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-250710 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Se encontró una vulnerabilidad en Tenda W9 1.0.0.7(4456). Ha sido clasificada como crítica. La función formOfflineSet del componente httpd es afectada por esta vulnerabilidad. La manipulación del argumento ssidIndex provoca un desbordamiento de búfer en la región stack de la memoria. Es posible lanzar el ataque de forma remota. La explotación ha sido divulgada al público y puede utilizarse. VDB-250710 es el identificador asignado a esta vulnerabilidad. NOTA: Se contactó primeramente con el proveedor sobre esta divulgación, pero no respondió de ninguna manera

Es wurde eine kritische Schwachstelle in Tenda W9 1.0.0.7(4456) ausgemacht. Es betrifft die Funktion formOfflineSet der Komponente httpd. Durch das Beeinflussen des Arguments ssidIndex mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk erfolgen. 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
Low
Integrity
Low
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* 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/W9/5/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