CVE-2026-73669 PUBLISHED

Philips Hue Bridge Pro MQTT broker missing authentication

Assigner: cisa-cg
Reserved: 13.08.2026 Published: 13.08.2026 Updated: 13.08.2026

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.

CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS Score: 6.3

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

CVSS 3.1

CVSS 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
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Signify
Product	Philips Hue Bridge Pro
Versions	Default: unknown affected from 0 to 1.77.2071318010 (excl.) Version 1.77.2071318010 is unaffected

CVE-2026-73669 PUBLISHED

Philips Hue Bridge Pro MQTT broker missing authentication

Metrics

Product Status

Credits

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Problem Types