(Pwn2Own) Philips Hue Bridge HomeKit hk_hap_pair_storage_put Heap-based Buffer Overflow Remote Code Execution Vulnerability

March 6th, 2026
ZDI-26-158 ZDI-CAN-28469

CVE ID

CVE-2026-3560

CVSS Score

8.8 AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors

Philips

Affected Products

Hue Bridge

Vulnerability Details

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Philips Hue Bridge. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the hk_hap_pair_storage_put function of the HomeKit implementation, which listens on TCP port 8080 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device.

Additional Details

Fixed in Bridge v2 Software version 1975170000
https://www.philips-hue.com/en-ca/support/release-notes/bridge


Disclosure Timeline

  • 2025-11-18 - Vulnerability reported to vendor
  • 2026-03-06 - Coordinated public release of advisory
  • 2026-03-06 - Advisory Updated

Credit

Xilokar (@xilokar@mamot.fr)

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