CVE-2025-9046

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-9046
A vulnerability was identified in Tenda AC20 16.03.08.12. This issue affects the function sub_46A2AC of the file /goform/setMacFilterCfg. The manipulation of the argument deviceList leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

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/ZZ2266/.github.io/blob/main/AC20/formSetMacFilterCfg/readme.md Exploit Third Party Advisory
https://github.com/ZZ2266/.github.io/blob/main/AC20/formSetMacFilterCfg/readme.md#poc-python-exploit-script Exploit Third Party Advisory
https://vuldb.com/?ctiid.320267 Permissions Required
https://vuldb.com/?id.320267 Third Party Advisory VDB Entry
https://vuldb.com/?submit.631932 Third Party Advisory VDB Entry
https://www.tenda.com.cn/ Product
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:tenda:ac20_firmware:16.03.08.12:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac20:-:*:*:*:*:*:*:*
History

18 Aug 2025, 15:10

Type Values Removed Values Added
CPE cpe:2.3:o:tenda:ac20_firmware:16.03.08.12:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac20:-:*:*:*:*:*:*:*
References () https://github.com/ZZ2266/.github.io/blob/main/AC20/formSetMacFilterCfg/readme.md - () https://github.com/ZZ2266/.github.io/blob/main/AC20/formSetMacFilterCfg/readme.md - Exploit, Third Party Advisory
References () https://github.com/ZZ2266/.github.io/blob/main/AC20/formSetMacFilterCfg/readme.md#poc-python-exploit-script - () https://github.com/ZZ2266/.github.io/blob/main/AC20/formSetMacFilterCfg/readme.md#poc-python-exploit-script - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.320267 - () https://vuldb.com/?ctiid.320267 - Permissions Required
References () https://vuldb.com/?id.320267 - () https://vuldb.com/?id.320267 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.631932 - () https://vuldb.com/?submit.631932 - Third Party Advisory, VDB Entry
References () https://www.tenda.com.cn/ - () https://www.tenda.com.cn/ - Product
Summary
  • (es) Se identificó una vulnerabilidad en Tenda AC20 16.03.08.12. Este problema afecta a la función sub_46A2AC del archivo /goform/setMacFilterCfg. La manipulación del argumento deviceList provoca un desbordamiento del búfer en la pila. El ataque puede ejecutarse en remoto. Se ha hecho público el exploit y puede que sea utilizado.
First Time Tenda ac20
Tenda ac20 Firmware
Tenda

15 Aug 2025, 11:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-08-15 11:15

Updated : 2025-08-18 15:10

NVD link : CVE-2025-9046

Mitre link : CVE-2025-9046

CVE.ORG link : CVE-2025-9046

JSON object : View

Products Affected

tenda

  • ac20_firmware
  • ac20
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow