ZDI-CAN-28367: ZDI-26-557: (Pwn2Own) Amazon Smart Plug Insecure Fallback Information Disclosure Vulnerability
Published Aug 12, 2026
·Updated
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Amazon Smart Plug. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 4.3.
Affected Software
1 affected component
Amazon Smart plug
Event History
Aug 12, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Frequently Asked Questions
1
What is the severity of ZDI-CAN-28367?
ZDI-CAN-28367 has a CVSS rating of 4.3, indicating a medium severity level.
2
How do I fix ZDI-CAN-28367?
To mitigate ZDI-CAN-28367, ensure that your Amazon Smart Plug is updated to the latest firmware version provided by the manufacturer.
3
What types of information may be disclosed by exploiting ZDI-CAN-28367?
Exploitation of ZDI-CAN-28367 can lead to the disclosure of sensitive information stored on the affected installations of Amazon Smart Plug.
4
Without authentication, who can exploit ZDI-CAN-28367?
Network-adjacent attackers can exploit ZDI-CAN-28367 without requiring any form of authentication.
5
When was ZDI-CAN-28367 published?
ZDI-CAN-28367 was published on August 12, 2026.