CVE-2026-73669

Signify Philips Hue Bridge Pro MQTT broker missing authentication

Published Aug 13, 2026 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Description
The Signify Philips Hue Bridge Pro firmware embeds a Mosquitto MQTT broker service that listens on all network interfaces without authentication. An unauthenticated attacker with network access to the MQTT service on a vulnerable system can read data and control connected lights. Fixed in 1.77.2071318010.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description The Signify Philips Hue Bridge Pro firmware embeds a Mosquitto MQTT broker (v2.0.22) that listens on all network interfaces with anonymous access enabled and no firewall restriction. An attacker with access to the Bridge's network can read device data and control connected lights. The Signify Philips Hue Bridge Pro firmware embeds a Mosquitto MQTT broker service that listens on all network interfaces without authentication. An unauthenticated attacker with network access to the MQTT service on a vulnerable system can read data and control connected lights. Fixed in 1.77.2071318010.
Title Philips Hue Bridge Pro MQTT broker missing authentication Signify Philips Hue Bridge Pro MQTT broker missing authentication
Metrics cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N'}

cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N'}

Type Values Removed Values Added
First Time appeared Signify
Signify philips Hue Bridge Pro
Vendors & Products Signify
Signify philips Hue Bridge Pro
Type Values Removed Values Added
Description The Signify Philips Hue Bridge Pro firmware embeds a Mosquitto MQTT broker (v2.0.22) that listens on all network interfaces with anonymous access enabled and no firewall restriction. An attacker with access to the Bridge's network can read device data and control connected lights.
Title Philips Hue Bridge Pro MQTT broker missing authentication
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
cisa-cg
Published
Updated
Aug 18, 2026, 8:28 PM
Reserved
Aug 13, 2026, 2:20 PM
Status
Awaiting Analysis
Published
Aug 13, 2026, 8:17 PM
Modified
Aug 26, 2026, 4:52 PM