CVE-2019-18990

A partial authentication bypass vulnerability exists on Realtek RTL8812AR 1.21WW, RTL8196D 1.0.0, RTL8192ER 2.10, and RTL8881AN 1.09 devices. The vulnerability allows sending an unencrypted data frame to a WPA2-protected WLAN router where the packet is routed through the network. If successful, a response is sent back as an encrypted frame, which would allow an attacker to discern information or potentially modify data.

• CWE-290

• https://www.synopsys.com/blogs/software-security/cyrc-advisory-sept2020/Third Party Advisory
• https://www.synopsys.com/blogs/software-security/cyrc-advisory-sept2020/Third Party Advisory

Published

Sep 30, 2020

Last Modified

Jun 17, 2026

Status

Modified

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