ZDI-26-559: (Pwn2Own) Amazon Smart Plug OTA Update Process Out-Of-Bounds Write Remote Code Execution Vulnerability
Published Aug 12, 2026
·Updated
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Amazon Smart Plug. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.5.
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-26-559?
The severity of ZDI-26-559 is rated with a CVSS score of 7.5.
2
How do I fix ZDI-26-559?
To fix ZDI-26-559, ensure that your Amazon Smart Plug firmware is updated to the latest version released by the manufacturer.
3
Who is affected by ZDI-26-559?
ZDI-26-559 affects installations of the Amazon Smart Plug that have not been updated to the latest firmware.
4
What type of attack does ZDI-26-559 allow?
ZDI-26-559 allows network-adjacent attackers to execute arbitrary code remotely on vulnerable devices.
5
Is authentication required to exploit ZDI-26-559?
No, authentication is not required to exploit the ZDI-26-559 vulnerability.