ZDI-26-153: (Pwn2Own) Philips Hue Bridge Zigbee Stack Custom Command Handler Heap-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Philips Hue Bridge. User interaction is required to exploit this vulnerability in that the user must initiate the device pairing process. The specific flaw exists within the handling of custom Zigbee ZCL frames in the Model Info download functionality. The issue results from the lack of proper validation of the size of data prior to copying it to a fixed-size heap buffer. An attacker can leverage this vulnerability to execute code in the context of the device.
Other sources
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Philips Hue Bridge. User interaction is required to exploit this vulnerability in that the user must initiate the device pairing process. The ZDI has assigned a CVSS rating of 8.0. The following CVEs are assigned: CVE-2026-3555.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-26-153?
The severity of ZDI-26-153 is critical due to its potential for remote code execution.
How do I fix ZDI-26-153?
To fix ZDI-26-153, ensure your Philips Hue Bridge is updated to the latest firmware version provided by Philips.
What types of attacks can ZDI-26-153 enable?
ZDI-26-153 can enable network-adjacent attackers to execute arbitrary code on the Philips Hue Bridge.
Is user interaction required for ZDI-26-153 to be exploited?
Yes, user interaction is required to successfully exploit ZDI-26-153.
Which devices are affected by ZDI-26-153?
ZDI-26-153 affects installations of the Philips Hue Bridge.