CVE-2026-9454

Critical

Description

A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setOpenVpnCertGenerationCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument servername can lead to os command injection. The attack may be launched remotely. The exploit has been published and may be used.

SeverityCritical
CVSS9.8
Exploit probability—
ProductTotolink A8000ru Firmware
PublishedMay 25, 2026
First seenMay 25, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
totolink a8000ru_firmware7.1cu.643_b20200521—

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CVE-2026-9454 · Totolink A8000ru Firmware · Dark Radar