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CRITICAL

CVE-2026-9407

CVSS v3

9.8

CRITICAL

EPSS Score

1.7 %

exploit probability

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

A security vulnerability has been detected in Totolink A8000RU 7.1cu.643_b20200521. Affected by this vulnerability is the function setFirewallType of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument firewallType leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.

Technical details

CVSS v3 Vector
3.1
Published
2026-05-25
Last Modified
2026-07-23

Frequently asked questions

What is CVE-2026-9407?

A security vulnerability has been detected in Totolink A8000RU 7.1cu.643_b20200521. Affected by this vulnerability is the function setFirewallType of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument firewallType leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.

Is CVE-2026-9407 actively exploited?

Active exploitation of CVE-2026-9407 has not been confirmed. The EPSS score is 1.7%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-9407?

CVE-2026-9407 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string 3.1.

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