CVE-2026-9454

A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setOpenVpnCertGenerationCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument servername can lead to os command injection. The attack may be launched remotely. The exploit has been published and may 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_341/README.md
https://vuldb.com/submit/813447
https://vuldb.com/vuln/365435
https://vuldb.com/vuln/365435/cti
https://www.totolink.net/

Configurations

No configuration.

History

23 Jul 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) Se ha encontrado una falla en Totolink A8000RU 7.1cu.643_b20200521. Esta vulnerabilidad afecta la función setOpenVpnCertGenerationCfg del archivo /cgi-bin/cstecgi.cgi del componente Interfaz de Gestión Web. La ejecución de una manipulación del argumento servername puede llevar a una inyección de comandos del sistema operativo. El ataque puede lanzarse remotamente. El exploit ha sido publicado y puede 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-2026-9454

Mitre link : CVE-2026-9454

CVE.ORG link : CVE-2026-9454

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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