CVE-2023-33248

Amazon Alexa software version 8960323972 on Echo Dot 2nd generation and 3rd generation devices potentially allows attackers to deliver security-relevant commands via an audio signal between 16 and 22 kHz (often outside the range of human adult hearing). Commands at these frequencies are essentially never spoken by authorized actors, but a substantial fraction of the commands are successful.

• https://arxiv.org/abs/2305.10358Third Party Advisory
• https://cios2023.org/papersThird Party Advisory
• https://github.com/reveondivad/nuanceExploit, Third Party Advisory
• https://sites.google.com/view/nuitattack/homeThird Party Advisory
• https://www.usenix.org/system/files/sec23fall-prepub-261-xia-qi.pdfExploit, Technical Description, Third Party Advisory
• https://youtu.be/3gEc5ZFWIWoExploit, Technical Description, Third Party Advisory
• https://arxiv.org/abs/2305.10358Third Party Advisory
• https://cios2023.org/papersThird Party Advisory
• https://github.com/reveondivad/nuanceExploit, Third Party Advisory
• https://sites.google.com/view/nuitattack/homeThird Party Advisory
• https://www.usenix.org/system/files/sec23fall-prepub-261-xia-qi.pdfExploit, Technical Description, Third Party Advisory
• https://youtu.be/3gEc5ZFWIWoExploit, Technical Description, Third Party Advisory

Published

May 24, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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