Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Philips | Hue Bridge V2 Firmware | < 1975170000 |
| Philips | Hue Bridge V2 | - |
Related Weaknesses (CWE)
References
- https://www.zerodayinitiative.com/advisories/ZDI-26-153/Third Party Advisory
FAQ
What is CVE-2026-3555?
CVE-2026-3555 is a vulnerability with a CVSS score of 8.0 (HIGH). 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...
How severe is CVE-2026-3555?
CVE-2026-3555 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-3555?
Check the references section above for vendor advisories and patch information. Affected products include: Philips Hue Bridge V2 Firmware, Philips Hue Bridge V2.