CVE-2026-9455

A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function UploadOpenVpnCert of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument FileName leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed to the public 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_342/README.md
https://vuldb.com/submit/813449
https://vuldb.com/vuln/365436
https://vuldb.com/vuln/365436/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 vulnerabilidad en Totolink A8000RU 7.1cu.643_b20200521. Este problema afecta la función UploadOpenVpnCert del archivo /cgi-bin/cstecgi.cgi del componente Interfaz de Gestión Web. La manipulación del argumento FileName conduce a inyección de comandos. La explotación remota del ataque es posible. El exploit ha sido divulgado al público 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-2026-9455

Mitre link : CVE-2026-9455

CVE.ORG link : CVE-2026-9455

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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