CVE-2026-9408

A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. Affected by this issue is the function setStaticDhcpRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument enable results in os command injection. The attack may be performed from remote. The exploit is now 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_340/README.md
https://vuldb.com/submit/813443
https://vuldb.com/vuln/365389
https://vuldb.com/vuln/365389/cti
https://www.totolink.net/

Configurations

No configuration.

History

23 Jul 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) Se detectó una vulnerabilidad en Totolink A8000RU 7.1cu.643_b20200521. Afectada por este problema es la función setStaticDhcpRules del archivo /cgi-bin/cstecgi.cgi del componente Interfaz de Gestión Web. La manipulación del argumento enable resulta en inyección de comandos del sistema operativo. El ataque puede realizarse de forma remota. El exploit ya es público y puede usarse.

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-2026-9408

Mitre link : CVE-2026-9408

CVE.ORG link : CVE-2026-9408

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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