CVE-2020-26652

Name: CVE-2020-26652
Creator: NVD / NIST
Published: 2023-08-22T19:16:19.943+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.61%

Last modified Jun 17, 2026

CVE-2020-26652 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in function nl80211_send_chandef in rtl8812au v5.6.4.2 allows attackers to cause a denial of service.. EPSS estimates a 0.61% chance of exploitation in the next 30 days.

Description

An issue was discovered in function nl80211_send_chandef in rtl8812au v5.6.4.2 allows attackers to cause a denial of service.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.61%

44.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Realtek	Rtl8812au Firmware	5.6.4.2

References

https://github.com/aircrack-ng/rtl8812au/issues/730Exploit, Issue Tracking
https://github.com/aircrack-ng/rtl8812au/issues/730Exploit, Issue Tracking

Timeline

Published: Aug 22, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-26652?

An issue was discovered in function nl80211_send_chandef in rtl8812au v5.6.4.2 allows attackers to cause a denial of service.

How severe is CVE-2020-26652?

CVE-2020-26652 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.

How do I fix CVE-2020-26652?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-26652?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST