Signify Philips Hue Bridge Pro MQTT broker missing authentication
Priority LOW 31CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00517 44th percentileScored 2026-11-07
Fix Fixed Philips Hue Bridge Pro (Signify): 1.77.2071318010
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Philips Hue Bridge Pro (Signify) Fixed in 1.77.2071318010
Timeline
- 2026-10-02 Threatist record created from CVE-2026-73669
- 2026-10-03 Alias added: GHSA-43qc-c2gq-5fq2
More Signify vulnerabilities
- TI-2025-35372 An incorrect API discovered in Signify Wiz Connected 1.9.1 allows attackers to remotely… CVSS 3.1HIGH 7.5
Sources
- CVE-2026-73669 · CVE Program
- CVE-2026-73669 · NVD
- FIRST EPSS
- GHSA-43qc-c2gq-5fq2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences