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ID

VAR-202603-0927


CVE

CVE-2026-3558


TITLE

(Pwn2Own) Philips Hue Bridge HomeKit Accessory Protocol Transient Pairing Mode Authentication Bypass Vulnerability

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sources: ZDI: ZDI-26-156

DESCRIPTION

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Philips Hue Bridge. Authentication is not required to exploit this vulnerability.The specific flaw exists within the configuration of the HomeKit Accessory Protocol service, which listens on TCP port 8080 by default. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to bypass authentication on the system.

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sources: ZDI: ZDI-26-156

AFFECTED PRODUCTS

vendor:philipsmodel:hue bridgescope: - version: -

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sources: ZDI: ZDI-26-156

CVSS

SEVERITY

CVSSV2

CVSSV3

ZDI: CVE-2026-3558
value: HIGH

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ZDI: CVE-2026-3558
baseSeverity: HIGH
baseScore: 8.1
vectorString: AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: NONE
exploitabilityScore: 2.8
impactScore: 5.2
version: 3.0

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sources: ZDI: ZDI-26-156

PATCH

title:Fixed in Bridge v2 Software version 1975170000url:https://www.philips-hue.com/en-ca/support/release-notes/bridge

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sources: ZDI: ZDI-26-156

EXTERNAL IDS

db:ZDI_CANid:ZDI-CAN-28374

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db:NVDid:CVE-2026-3558

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db:ZDIid:ZDI-26-156

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sources: ZDI: ZDI-26-156

REFERENCES

url:https://www.philips-hue.com/en-ca/support/release-notes/bridge

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sources: ZDI: ZDI-26-156

CREDITS

Ho Xuan Ninh (@Xuanninh1412) and Hoang Hai Long (@seadragnol) from Qrious Secure (@qriousec)

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sources: ZDI: ZDI-26-156

SOURCES

db:ZDIid:ZDI-26-156

LAST UPDATE DATE

2026-03-09T23:33:24.163000+00:00


SOURCES UPDATE DATE

db:ZDIid:ZDI-26-156date:2026-03-06T00:00:00

SOURCES RELEASE DATE

db:ZDIid:ZDI-26-156date:2026-03-06T00:00:00