CVE-2026-9478: Totolink A8000RU Web Management cstecgi.cgi setParentalRules os command injection

Published May 25, 2026

Updated

A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setParentalRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument enable can lead to os command injection. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.

Affected Software

1 affected component

TOTOLINK A8000RU Web Management Interface=7.1cu.643_b20200521

Event History

May 25, 2026

CVE Published

via MITRE·05:30 PM

Data Sourced

via MITRE·05:30 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What is the severity of CVE-2026-9478?

CVE-2026-9478 has a critical severity rating of 9.8.

How do I fix CVE-2026-9478?

To mitigate CVE-2026-9478, update the Totolink A8000RU to the latest firmware version that addresses this vulnerability.

What is the impact of CVE-2026-9478?

The impact of CVE-2026-9478 allows an attacker to perform OS command injection through the setParentalRules function.

Can CVE-2026-9478 be exploited remotely?

Yes, CVE-2026-9478 can be exploited remotely due to the nature of the Web Management Interface.

Which component is affected by CVE-2026-9478?

CVE-2026-9478 affects the Totolink A8000RU Web Management Interface specifically in the cstecgi.cgi file.

Company

Resources

Contact

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