CVE-2026-9432

A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setWiFiAdvancedCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument bgProtection results in os command injection. The attack can be launched remotely. The exploit has been released to the public and may 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_353/README.md
https://vuldb.com/submit/813905
https://vuldb.com/vuln/365413
https://vuldb.com/vuln/365413/cti
https://www.totolink.net/

Configurations

No configuration.

History

23 Jul 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) Se ha descubierto una falla de seguridad en Totolink A8000RU 7.1cu.643_b20200521. Esta vulnerabilidad afecta a la función setWiFiAdvancedCfg del archivo /cgi-bin/cstecgi.cgi del componente Interfaz de Gestión Web. La manipulación del argumento bgProtection resulta en inyección de comandos del sistema operativo. El ataque puede lanzarse remotamente. El exploit ha sido publicado y puede utilizarse para ataques.

25 May 2026, 07:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-25 07:16

Updated : 2026-07-23 11:10

NVD link : CVE-2026-9432

Mitre link : CVE-2026-9432

CVE.ORG link : CVE-2026-9432

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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