Philips Hue Bridge HomeKit Pair-Setup Heap-based Buffer Overflow Remote Code Execution Vulnerability

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Summary

CVECVE-2026-3556
StatePUBLISHED
Assignerzdi
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-16 14:19:48 UTC
Updated2026-04-27 14:49:31 UTC
DescriptionPhilips 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.

Risk And Classification

Primary CVSS: v3.0 8.8 HIGH from [email protected]

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.000990000 probability, percentile 0.272860000 (date 2026-04-27)

Problem Types: CWE-122 | CWE-122 CWE-122: Heap-based Buffer Overflow

VersionSourceTypeScoreSeverityVector
3.0[email protected]Secondary8.8HIGHCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.0CNACVSS8.8HIGHCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.0 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Philips Hue Bridge V2 - All All All
Operating System Philips Hue Bridge V2 Firmware All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Philips Hue Bridge affected 1.73.1973146020 Not specified

References

ReferenceSourceLinkTags
www.zerodayinitiative.com/advisories/ZDI-26-154 [email protected] www.zerodayinitiative.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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