CVE-2020-23539

7.5 highEPSS 1.8%

High (7.5) in realtek rtl8723de firmware. EPSS 1.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2021-04-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

realtek:rtl8723de_firmware

References

https://github.com/pokerfacett/MY_REQUEST/blob/df73fe140655ea44542b03ac186e6c2b47e97540/Realtek%208723ds%20BLE%20SDK%20denial%20of%20service%20attack.md
https://github.com/pokerfacett/MY_REQUEST/blob/df73fe140655ea44542b03ac186e6c2b47e97540/Realtek%208723ds%20BLE%20SDK%20denial%20of%20service%20attack.md

Check your stack JSON