CVE-2026-6026: Totolink A7100RU CGI cstecgi.cgi setPortalConfWeChat os command injection

Published Apr 10, 2026
·
Updated

A security flaw has been discovered in Totolink A7100RU 7.4cu.2313b20191024. This vulnerability affects the function setPortalConfWeChat of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument enable results in os command injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.

Affected Software

1 affected component
TOTOLINK A7100RU=7.4cu.2313_b20191024

Event History

Apr 10, 2026
CVE Published
via MITRE·05:45 AM
Data Sourced
via MITRE·05:45 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:16 AM
DescriptionSeverityWeakness
Mar 21, 58260
Event
via FIRST·12:58 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-6026?

CVE-2026-6026 is considered a critical vulnerability due to the potential for OS command injection.

2

How do I fix CVE-2026-6026?

To fix CVE-2026-6026, update the Totolink A7100RU to a version that addresses the vulnerability, if available.

3

What is affected by CVE-2026-6026?

CVE-2026-6026 affects the Totolink A7100RU router running firmware version 7.4cu.2313_b20191024.

4

What can an attacker do with CVE-2026-6026?

An attacker can exploit CVE-2026-6026 to execute arbitrary OS commands on the affected device.

5

Is CVE-2026-6026 exploitable remotely?

Yes, CVE-2026-6026 is exploitable remotely if the vulnerable service is accessible over the network.

Contact

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