Improper input validation in Alfa Awus036h

CVE-2020-26143

An issue was discovered in the ALFA Windows 10 driver 1030.36.604 for AWUS036ACH. The WEP, WPA, WPA2, and WPA3 implementations accept fragmented plaintext frames in a protected Wi-Fi network. An adversary can abuse this to inject arbitrary…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.042 (89.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-26143?
CVE-2020-26143 is a medium-severity vulnerability in Alfa Awus036h, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2021-05-11.
How severe is CVE-2020-26143?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2020-26143 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.