CVE-2021-45734: High severity totolink x5000r firmware vulnerability

Published Feb 4, 2022
·
Updated

TOTOLINK X5000R v9.1.0u.6118B20201102 was discovered to contain a stack overflow in the function setUrlFilterRules. This vulnerability allows attackers to cause a Denial of Service (DoS) via the url parameter.

Affected Software

2 affected components
TOTOLINK X5000r Firmware=9.1.0u.6118_b20201102
TOTOLINK X5000R

Event History

Feb 4, 2022
CVE Published
via MITRE·01:33 AM
Data Sourced
via MITRE·01:33 AM
Description

Frequently Asked Questions

1

What is CVE-2021-45734?

CVE-2021-45734 is a vulnerability discovered in TOTOLINK X5000R v9.1.0u.6118_B20201102 that allows attackers to cause a Denial of Service (DoS) through a stack overflow in the setUrlFilterRules function.

2

How does CVE-2021-45734 affect TOTOLINK X5000R?

CVE-2021-45734 affects TOTOLINK X5000R v9.1.0u.6118_B20201102 firmware version and can be exploited by attackers to cause a Denial of Service (DoS) by manipulating the url parameter.

3

What is the severity of CVE-2021-45734?

CVE-2021-45734 has a severity value of 7.5, which is classified as high.

4

How can the CVE-2021-45734 vulnerability be fixed?

To fix the CVE-2021-45734 vulnerability, users should update their TOTOLINK X5000R firmware version to a secure version provided by the vendor.

5

Where can I find more information about CVE-2021-45734?

More information about CVE-2021-45734 can be found at the following reference link: [Reference](https://github.com/pjqwudi/my_vuln/blob/main/totolink/vuln_10/10.md)

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