CVE-2026-5996

A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setAdvancedInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument tty_server leads to os command injection. It is possible to initiate the attack 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_new/blob/main/A7100RU/vul_168/README.md
https://vuldb.com/submit/792044
https://vuldb.com/vuln/356550
https://vuldb.com/vuln/356550/cti
https://www.totolink.net/

Configurations

No configuration.

History

26 Oct 2026, 22:10

Type	Values Removed	Values Added
Summary		(es) Se ha detectado una vulnerabilidad de seguridad en Totolink A7100RU 7.4cu.2313_b20191024. El elemento afectado es la función setAdvancedInfoShow del archivo /cgi-bin/cstecgi.cgi del componente Gestor CGI. La manipulación del argumento tty_server conduce a la inyección de comandos del sistema operativo. Es posible iniciar el ataque de forma remota. El exploit ha sido divulgado públicamente y puede ser utilizado.

Information

Published : 2026-04-10 02:16

Updated : 2026-10-26 22:10

NVD link : CVE-2026-5996

Mitre link : CVE-2026-5996

CVE.ORG link : CVE-2026-5996

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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