CVE-2026-3556
8.8 · HIGHOverview
CVE-2026-3556 is a high-severity vulnerability affecting philips hue_bridge_v2_firmware. It was published on March 16, 2026 and has a CVSS 3.0 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.0 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from philips. Update hue_bridge_v2_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| philips | hue_bridge_v2_firmware | >= 0, < 1975170000 | Affected |
Frequently Asked Questions
What is CVE-2026-3556?
CVE-2026-3556 is a high-severity vulnerability affecting philips hue_bridge_v2_firmware. It was published on March 16, 2026 and has a CVSS 3.0 base score of 8.8 (HIGH).
How severe is CVE-2026-3556?
This vulnerability has a CVSS 3.0 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-3556?
Check the references section for vendor advisories and patches from philips. Update hue_bridge_v2_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-3556?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-3556 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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