7.8
CWE
476
Advisory Published
Updated

CVE-2020-23539: Null Pointer Dereference

First published: Thu Apr 08 2021(Updated: )

An issue was discovered in Realtek rtl8723de BLE Stack <= 4.1 that allows remote attackers to cause a Denial of Service via the interval field to the CONNECT_REQ message.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Realtek Rtl8723de Firmware<=4.1
Realtek rtl8723de

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is CVE-2020-23539?

    CVE-2020-23539 is a vulnerability in the Realtek rtl8723de BLE Stack <= 4.1 that allows remote attackers to cause a Denial of Service.

  • How severe is CVE-2020-23539?

    CVE-2020-23539 has a severity score of 7.5 (high).

  • How does CVE-2020-23539 work?

    CVE-2020-23539 works by exploiting the interval field in the CONNECT_REQ message of Realtek rtl8723de BLE Stack <= 4.1, which can lead to a Denial of Service.

  • What software is affected by CVE-2020-23539?

    Realtek Rtl8723de Firmware versions up to and including 4.1 are affected by CVE-2020-23539.

  • Is Realtek rtl8723de hardware vulnerable to CVE-2020-23539?

    No, Realtek rtl8723de hardware is not vulnerable to CVE-2020-23539.

  • How can I fix CVE-2020-23539?

    There is currently no fix or patch available for CVE-2020-23539. It is recommended to follow the vendor's security advisories for updates.

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.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203