CVE-2026-9407 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-78 CWE-77

References

FAQ

What is CVE-2026-9407?

CVE-2026-9407 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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...

How severe is CVE-2026-9407?

CVE-2026-9407 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-9407?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.