CVE-2021-43661: XSS

Published Mar 30, 2022
·
Updated

totolink EX300v2 V4.0.3c.140B20210429 was discovered to contain a reflected cross-site scripting (XSS) vulnerability via the component /home.asp.

Affected Software

2 affected components
TOTOLINK Ex300 V2 Firmware=4.0.3c.140_b20210429
TOTOLINK Ex300 V2

Event History

Mar 30, 2022
CVE Published
via MITRE·11:19 PM
Data Sourced
via MITRE·11:19 PM
Description
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 CVE-2021-43661?

CVE-2021-43661 is a reflected cross-site scripting (XSS) vulnerability in totolink EX300_v2 V4.0.3c.140_B20210429 firmware.

2

How does CVE-2021-43661 affect totolink EX300_v2?

CVE-2021-43661 allows an attacker to inject malicious code into the /home.asp component of totolink EX300_v2 firmware, leading to potential remote code execution or unauthorized access to sensitive information.

3

What is the severity of CVE-2021-43661?

CVE-2021-43661 has a severity score of 6.1, which is classified as medium.

4

How can I fix CVE-2021-43661?

To fix CVE-2021-43661, it is recommended to update the totolink EX300_v2 firmware to a version that addresses the XSS vulnerability.

5

Where can I find more information about CVE-2021-43661?

More information about CVE-2021-43661 can be found at the following reference: [link](https://github.com/chibataiki/iot-vuls/blob/main/totolink/xss-vulnerability.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