CVE-2026-7138

A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setNtpCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument tz results in os command injection. The attack can be executed remotely. 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_313/README.md
https://vuldb.com/submit/801105
https://vuldb.com/vuln/359737
https://vuldb.com/vuln/359737/cti
https://www.totolink.net/

Configurations

No configuration.

History

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Se detectó una vulnerabilidad en Totolink A8000RU 7.1cu.643_b20200521. Esta vulnerabilidad afecta a la función setNtpCfg del archivo /cgi-bin/cstecgi.cgi del componente Gestor CGI. La manipulación del argumento tz resulta en inyección de comandos del sistema operativo. El ataque puede ejecutarse de forma remota. El exploit ya es público y puede ser utilizado.

Information

Published : 2026-04-27 16:16

Updated : 2026-10-26 21:10

NVD link : CVE-2026-7138

Mitre link : CVE-2026-7138

CVE.ORG link : CVE-2026-7138

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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