CVE-2026-7139

A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setWiFiAclRules of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument mode causes os command injection. The attack is possible to be carried out remotely. The exploit has been published 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_314/README.md
https://vuldb.com/submit/801106
https://vuldb.com/vuln/359738
https://vuldb.com/vuln/359738/cti
https://www.totolink.net/

Configurations

No configuration.

History

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Se ha encontrado una falla en Totolink A8000RU 7.1cu.643_b20200521. Este problema afecta a la función setWiFiAclRules del archivo /cgi-bin/cstecgi.cgi del componente CGI Gestor. Esta manipulación del argumento mode provoca inyección de comandos del sistema operativo. El ataque puede llevarse a cabo de forma remota. El exploit ha sido publicado y puede ser utilizado.

Information

Published : 2026-04-27 17:16

Updated : 2026-10-26 21:10

NVD link : CVE-2026-7139

Mitre link : CVE-2026-7139

CVE.ORG link : CVE-2026-7139

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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