CVE-2026-9407

A security vulnerability has been detected in Totolink A8000RU 7.1cu.643_b20200521. Affected by this vulnerability is the function setFirewallType of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument firewallType leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed publicly 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_339/README.md
https://vuldb.com/submit/813442
https://vuldb.com/vuln/365388
https://vuldb.com/vuln/365388/cti
https://www.totolink.net/

Configurations

No configuration.

History

23 Jul 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad de seguridad ha sido detectada en Totolink A8000RU 7.1cu.643_b20200521. Afectada por esta vulnerabilidad es la función setFirewallType del archivo /cgi-bin/cstecgi.cgi del componente Interfaz de Gestión Web. La manipulación del argumento firewallType conduce a inyección de comandos del sistema operativo. El ataque es posible de realizar remotamente. El exploit ha sido divulgado públicamente y puede ser utilizado.

25 May 2026, 00:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-25 00:16

Updated : 2026-07-23 11:10

NVD link : CVE-2026-9407

Mitre link : CVE-2026-9407

CVE.ORG link : CVE-2026-9407

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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