CVE-2025-9090

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-9090
A vulnerability was identified in Tenda AC20 16.03.08.12. Affected is the function websFormDefine of the file /goform/telnet of the component Telnet Service. The manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

6.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
https://github.com/ZZ2266/.github.io/blob/main/AC20/telnet/readme.md Exploit Third Party Advisory
https://github.com/ZZ2266/.github.io/blob/main/AC20/telnet/readme.md#poc-exploit-steps Exploit Third Party Advisory
https://vuldb.com/?ctiid.320358 Permissions Required VDB Entry
https://vuldb.com/?id.320358 Third Party Advisory VDB Entry
https://vuldb.com/?submit.632232 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, 16:10

Type Values Removed Values Added
First Time Tenda ac20
Tenda
Tenda ac20 Firmware
References () https://github.com/ZZ2266/.github.io/blob/main/AC20/telnet/readme.md - () https://github.com/ZZ2266/.github.io/blob/main/AC20/telnet/readme.md - Exploit, Third Party Advisory
References () https://github.com/ZZ2266/.github.io/blob/main/AC20/telnet/readme.md#poc-exploit-steps - () https://github.com/ZZ2266/.github.io/blob/main/AC20/telnet/readme.md#poc-exploit-steps - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.320358 - () https://vuldb.com/?ctiid.320358 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.320358 - () https://vuldb.com/?id.320358 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.632232 - () https://vuldb.com/?submit.632232 - Third Party Advisory, VDB Entry
References () https://www.tenda.com.cn/ - () https://www.tenda.com.cn/ - Product
CPE cpe:2.3:o:tenda:ac20_firmware:16.03.08.12:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac20:-:*:*:*:*:*:*:*

18 Aug 2025, 20:16

Type Values Removed Values Added
Summary
  • (es) Se identificó una vulnerabilidad en Tenda AC20 16.03.08.12. La función websFormDefine del archivo /goform/telnet del componente Telnet Service está afectada. La manipulación provoca la inyección de comandos. El ataque puede ejecutarse en remoto. Se ha hecho público el exploit y puede que sea utilizado.

17 Aug 2025, 03:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-08-17 03:15

Updated : 2025-08-21 16:10

NVD link : CVE-2025-9090

Mitre link : CVE-2025-9090

CVE.ORG link : CVE-2025-9090

JSON object : View

Products Affected

tenda

  • ac20
  • ac20_firmware
CWE
CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')