CVE-2026-6155

A weakness has been identified in Totolink A7100RU 7.4cu.2313. The impacted element is the function setWanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument pppoeServiceName 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_new/blob/main/A7100RU/vul_196/README.md
https://vuldb.com/submit/793679
https://vuldb.com/vuln/357035
https://vuldb.com/vuln/357035/cti
https://www.totolink.net/

Configurations

No configuration.

History

26 Oct 2026, 00:10

Type	Values Removed	Values Added
Summary		(es) Se ha identificado una debilidad en Totolink A7100RU 7.4cu.2313. El elemento afectado es la función setWanCfg del archivo /cgi-bin/cstecgi.cgi del componente Gestor CGI. La ejecución de una manipulación del argumento pppoeServiceName puede conducir a una inyección de comandos del sistema operativo. El ataque puede ser lanzado de forma remota. El exploit se ha puesto a disposición del público y podría ser utilizado para ataques.

Information

Published : 2026-04-13 04:16

Updated : 2026-10-26 00:10

NVD link : CVE-2026-6155

Mitre link : CVE-2026-6155

CVE.ORG link : CVE-2026-6155

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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