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 Software | Affected Version | How to fix |
|---|---|---|
| Realtek RTL8723DE | <=4.1 | |
| Realtek RTL8723DE Firmware |
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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.
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