CVE-2026-3556

High

Description

Philips Hue Bridge HomeKit Pair-Setup 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. Authentication is not required to exploit this vulnerability. The specific flaw exists within the hk_hap_pair_storage_put function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the HomeKit service. Was ZDI-CAN-28326.

SeverityHigh
CVSS8.8
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

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