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CVE-2026-3561 Details

Description

Philips Hue Bridge hk_hap characteristics 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. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of PUT requests to the characteristics endpoint. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-28479.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8 HIGHVector:CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.zerodayinitiative.com/advisories/ZDI-26-159/	[email protected]	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-122	Heap-based Buffer Overflow	[email protected]

Affected Products

Product	Versions
philips hue bridge v2 firmware	< 1975170000
CPE cpe:2.3:o:philips:hue_bridge_v2_firmware:::::::: Remediation No remediation found in references.
philips hue bridge v2	All versions
CPE cpe:2.3:h:philips:hue_bridge_v2:-:::::::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Apr 27, 2026	Initial Analysis	[email protected]
Mar 16, 2026	New CVE Received	[email protected]