CVE-2026-9456

A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setOpenVpnCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument enabled results in os command injection. The attack can be executed remotely. The exploit has been made public and could be used.

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_344/README.md
https://vuldb.com/submit/813452
https://vuldb.com/vuln/365437
https://vuldb.com/vuln/365437/cti
https://www.totolink.net/

Configurations

No configuration.

History

23 Jul 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) Se encontró una vulnerabilidad en Totolink A8000RU 7.1cu.643_b20200521. La función afectada es setOpenVpnCfg del archivo /cgi-bin/cstecgi.cgi del componente Interfaz de Gestión Web. La manipulación del argumento enabled resulta en inyección de comandos del sistema operativo. El ataque puede ser ejecutado de forma remota. El exploit se ha hecho público y podría ser utilizado.

25 May 2026, 13:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-25 13:16

Updated : 2026-07-23 11:10

NVD link : CVE-2026-9456

Mitre link : CVE-2026-9456

CVE.ORG link : CVE-2026-9456

JSON object : View

Products Affected

No product.

CWE

CWE-77

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

CWE-78

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

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