CVE-2026-7823

A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function setAppFilterCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument enable results in os command injection. The attack may 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_330/README.md
https://vuldb.com/submit/807775
https://vuldb.com/vuln/361075
https://vuldb.com/vuln/361075/cti
https://www.totolink.net/

Configurations

No configuration.

History

26 Oct 2026, 19:10

Type	Values Removed	Values Added
Summary		(es) Se ha descubierto una falla de seguridad en Totolink A8000RU 7.1cu.643_b20200521. Afectada es la función setAppFilterCfg del archivo /cgi-bin/cstecgi.cgi. La manipulación del argumento enable resulta en inyección de comandos del sistema operativo. El ataque puede lanzarse remotamente. El exploit ha sido publicado y puede ser utilizado para ataques.

Information

Published : 2026-05-05 05:16

Updated : 2026-10-26 19:10

NVD link : CVE-2026-7823

Mitre link : CVE-2026-7823

CVE.ORG link : CVE-2026-7823

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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