CVE-2026-6131: Totolink A7100RU CGI cstecgi.cgi setTracerouteCfg os command injection

Published Apr 12, 2026
·
Updated

A vulnerability was found in Totolink A7100RU 7.4cu.2313b20191024. Affected by this vulnerability is the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument command results in os command injection. The attack may be launched remotely. The exploit has been made public and could be used.

Affected Software

1 affected component
TOTOLINK A7100RU=7.4cu.2313_b20191024

Event History

Apr 12, 2026
CVE Published
via MITRE·10:15 PM
Data Sourced
via MITRE·10:15 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·11:16 PM
DescriptionSeverityWeakness
Sep 11, 58265
Event
via FIRST·04:54 PM
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-6131?

CVE-2026-6131 is classified as a high severity vulnerability due to the potential for remote code execution.

2

How do I fix CVE-2026-6131?

To fix CVE-2026-6131, update the Totolink A7100RU firmware to the latest version available from the manufacturer.

3

What does CVE-2026-6131 impact?

CVE-2026-6131 impacts the CGI Handler specifically in the setTracerouteCfg function of the Totolink A7100RU router.

4

Can CVE-2026-6131 be exploited remotely?

Yes, CVE-2026-6131 can be exploited remotely, allowing attackers to execute arbitrary commands on the affected device.

5

What version of Totolink A7100RU is affected by CVE-2026-6131?

CVE-2026-6131 affects Totolink A7100RU version 7.4cu.2313_b20191024.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203