CVE-2026-3555

High

Description

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. Was ZDI-CAN-28276.

SeverityHigh
CVSS8.0
Exploit probability—
ProductPhilips Hue Bridge V2 Firmware
PublishedMar 16, 2026
First seenMar 16, 2026
Weakness typeCWE-122CWE-122

How to fix

Update
  • philips hue_bridge_v2_firmware1975170000 or later

Affected products

ProductAffected versionsFixed in
philips hue_bridge_v2_firmwarev < 19751700001975170000

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2026-3555 · Philips Hue Bridge V2 Firmware · Dark Radar