CVE-2026-9457

CriticalCVSS 9.8/10Last modified Jul 23, 2026

Description

A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. The affected element is the function UploadFirmwareFile of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument FileName causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-77 CWE-78

Affected software

No affected versions have been published.

Timeline

Published: May 25, 2026
Last modified: Jul 23, 2026
NVD status: Deferred

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