Vulnerability 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.
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-26-154/Third Party Advisory
FAQ
What is CVE-2026-3556?
CVE-2026-3556 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 install...
How severe is CVE-2026-3556?
CVE-2026-3556 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-3556?
Check the references section above for vendor advisories and patch information. Affected products include: Philips Hue Bridge V2 Firmware, Philips Hue Bridge V2.