CVE-2026-7123

A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument setIptvCfg results in os command injection. The attack can be initiated 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_308/README.md
https://vuldb.com/submit/800995
https://vuldb.com/vuln/359722
https://vuldb.com/vuln/359722/cti
https://www.totolink.net/

Configurations

No configuration.

History

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad fue encontrada en Totolink A8000RU 7.1cu.643_b20200521. Afectada es la función setIptvCfg del archivo /cgi-bin/cstecgi.cgi del componente Gestor CGI. Realizar una manipulación del argumento setIptvCfg resulta en inyección de comandos del sistema operativo. El ataque puede ser iniciado de forma remota. El exploit ha sido hecho público y podría ser usado.

Information

Published : 2026-04-27 13:16

Updated : 2026-10-26 21:10

NVD link : CVE-2026-7123

Mitre link : CVE-2026-7123

CVE.ORG link : CVE-2026-7123

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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