CVE-2025-9088

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-9088
A vulnerability was found in Tenda AC20 16.03.08.12. This vulnerability affects the function save_virtualser_data of the file /goform/formSetVirtualSer. The manipulation of the argument list leads to stack-based buffer overflow. The attack can 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/tree/main/AC20/formSetVirtualSer Exploit Third Party Advisory
https://github.com/ZZ2266/.github.io/tree/main/AC20/formSetVirtualSer#poc-python-exploit-script Exploit Third Party Advisory
https://vuldb.com/?ctiid.320356 Permissions Required VDB Entry
https://vuldb.com/?id.320356 Third Party Advisory VDB Entry
https://vuldb.com/?submit.632038 Exploit 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

21 Aug 2025, 16:12

Type Values Removed Values Added
References () https://github.com/ZZ2266/.github.io/tree/main/AC20/formSetVirtualSer - () https://github.com/ZZ2266/.github.io/tree/main/AC20/formSetVirtualSer - Exploit, Third Party Advisory
References () https://github.com/ZZ2266/.github.io/tree/main/AC20/formSetVirtualSer#poc-python-exploit-script - () https://github.com/ZZ2266/.github.io/tree/main/AC20/formSetVirtualSer#poc-python-exploit-script - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.320356 - () https://vuldb.com/?ctiid.320356 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.320356 - () https://vuldb.com/?id.320356 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.632038 - () https://vuldb.com/?submit.632038 - Exploit, Third Party Advisory, VDB Entry
References () https://www.tenda.com.cn/ - () https://www.tenda.com.cn/ - Product
CPE cpe:2.3:h:tenda:ac20:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac20_firmware:16.03.08.12:*:*:*:*:*:*:*
First Time Tenda ac20
Tenda
Tenda ac20 Firmware
CWE CWE-787

18 Aug 2025, 20:16

Type Values Removed Values Added
Summary
  • (es) Se encontró una vulnerabilidad en Tenda AC20 16.03.08.12. Esta vulnerabilidad afecta a la función save_virtualser_data del archivo /goform/formSetVirtualSer. La manipulación de la lista de argumentos provoca un desbordamiento del búfer basado en la pila. El ataque puede ejecutarse en remoto. Se ha hecho público el exploit y puede que sea utilizado.

16 Aug 2025, 23:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-08-16 23:15

Updated : 2025-08-21 16:12

NVD link : CVE-2025-9088

Mitre link : CVE-2025-9088

CVE.ORG link : CVE-2025-9088

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

CWE-787

Out-of-bounds Write