CVE-2026-3975

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-3975
A security flaw has been discovered in Tenda W3 1.0.0.3(2204). This issue affects the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet of the component POST Parameter Handler. Performing a manipulation of the argument wl_radio results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.

8.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formWifiMacFilterGet-index-buffer-overflow Exploit Third Party Advisory
https://vuldb.com/?ctiid.350410 Permissions Required VDB Entry
https://vuldb.com/?id.350410 Third Party Advisory VDB Entry
https://vuldb.com/?submit.769178 Third Party Advisory VDB Entry
https://www.tenda.com.cn/ Product
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:tenda:w3_firmware:1.0.0.3\(2204\):*:*:*:*:*:*:*
cpe:2.3:h:tenda:w3:-:*:*:*:*:*:*:*
History

02 Apr 2026, 20:07

Type Values Removed Values Added
References () https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formWifiMacFilterGet-index-buffer-overflow - () https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formWifiMacFilterGet-index-buffer-overflow - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.350410 - () https://vuldb.com/?ctiid.350410 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.350410 - () https://vuldb.com/?id.350410 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.769178 - () https://vuldb.com/?submit.769178 - Third Party Advisory, VDB Entry
References () https://www.tenda.com.cn/ - () https://www.tenda.com.cn/ - Product
CWE CWE-787
First Time Tenda
Tenda w3
Tenda w3 Firmware
CPE cpe:2.3:o:tenda:w3_firmware:1.0.0.3\(2204\):*:*:*:*:*:*:*
cpe:2.3:h:tenda:w3:-:*:*:*:*:*:*:*

12 Mar 2026, 21:07

Type Values Removed Values Added
Summary
  • (es) Una falla de seguridad ha sido descubierta en Tenda W3 1.0.0.3(2204). Este problema afecta a la función formWifiMacFilterGet del archivo /goform/WifiMacFilterGet del componente Gestor de Parámetros POST. Realizar una manipulación del argumento wl_radio resulta en desbordamiento de búfer basado en pila. Es posible iniciar el ataque remotamente. El exploit ha sido publicado al público y puede ser utilizado para ataques.

12 Mar 2026, 03:15

Type Values Removed Values Added
New CVE
Information

Published : 2026-03-12 03:15

Updated : 2026-04-02 20:07

NVD link : CVE-2026-3975

Mitre link : CVE-2026-3975

CVE.ORG link : CVE-2026-3975

JSON object : View

Products Affected

tenda

  • w3
  • w3_firmware
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow

CWE-787

Out-of-bounds Write