CVE-2026-3555: high-severity vulnerability in Philips Hue Bridge
Philips Hue Bridge Zigbee Stack Custom Command Handler Heap-based Buffer Overflow Remote Code Execution Vulnerability
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8epss 0.4%
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.
CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
Philips · Hue BridgeRelated CVEs — Philips Hue Bridge
In the same product, most dangerous first.
CVE-2026-3556HIGHPhilips Hue Bridge HomeKit Pair-Setup Heap-based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.6%CVE-2026-3561HIGHPhilips Hue Bridge hk_hap characteristics Heap-based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.6%CVE-2026-3557HIGHPhilips Hue Bridge hap_pair_verify_handler Sub-TLV Parsing Heap-based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.6%CVE-2026-3560HIGHPhilips Hue Bridge HomeKit hk_hap_pair_storage_put Heap-based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.6%CVE-2026-3558HIGHPhilips Hue Bridge HomeKit Accessory Protocol Transient Pairing Mode Authentication Bypass VulnerabilityEPSS 0.5%CVE-2026-3559HIGHPhilips Hue Bridge HomeKit Accessory Protocol Static Nonce Authentication Bypass VulnerabilityEPSS 0.5%