ZDI 2026-03-06

ZDI-26-153: (Pwn2Own) Philips Hue Bridge Zigbee Stack Custom Command Handler Heap-based Buffer Overflow Remote Code Execution Vulnerability

CVE-2026-3555

Machine-generated analysis · WAYSCloud LLM

The vulnerability requires user interaction during the device pairing process to trigger the heap-based buffer overflow in the Zigbee stack.

Context

The Philips Hue Bridge is affected by a heap-based buffer overflow in its Zigbee stack custom command handler. The vulnerability can be exploited remotely by network-adjacent attackers to execute arbitrary code. Exploitation requires the user to initiate the device pairing process. The ZDI has assigned a CVSS rating of 8.0.

Operator considerations

Check: Verify if Philips Hue Bridge devices are in use and identify their firmware versions.

From Zero Day Initiative ↗

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.

Read the full advisory on ZDI →

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