CVE-2026-7136

A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Affected by this issue is the function setDmzCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument wanIdx can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

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_311/README.md
https://vuldb.com/submit/801007
https://vuldb.com/vuln/359735
https://vuldb.com/vuln/359735/cti
https://www.totolink.net/

Configurations

No configuration.

History

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Se ha identificado una debilidad en Totolink A8000RU 7.1cu.643_b20200521. Afectada por este problema es la función setDmzCfg del archivo /cgi-bin/cstecgi.cgi del componente Gestor CGI. La ejecución de una manipulación del argumento wanIdx puede conducir a inyección de comandos. El ataque puede ser lanzado remotamente. El exploit se ha puesto a disposición del público y podría usarse para ataques.

Information

Published : 2026-04-27 16:16

Updated : 2026-10-26 21:10

NVD link : CVE-2026-7136

Mitre link : CVE-2026-7136

CVE.ORG link : CVE-2026-7136

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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