ZDI-26-558: (Pwn2Own) Amazon Smart Plug OTA Update Process Improper Certificate Validation Vulnerability
ZDI disclosed a Pwn2Own certificate validation flaw (CVSS 6.8) in Amazon Smart Plug's OTA process, allowing network-adjacent attackers to bypass update verification.
The Zero Day Initiative published ZDI-26-558 for an improper certificate validation flaw in the Amazon Smart Plug OTA update process, demonstrated at Pwn2Own. Network-adjacent attackers need no authentication to bypass certificate validation for over-the-air updates. ZDI rated the issue CVSS 6.8.