Auth bypass in Signify Philips Hue Bridge Pro
CVE-2026-73669
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.005 (41.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001
Affected products
- Signify Philips Hue Bridge Pro — versions 0, 1.77.2071318010
Weakness classification (CWE)
References
- 9119a7d8-5eab-497f-8521-727c672e3725
- 9119a7d8-5eab-497f-8521-727c672e3725 (release-notes)
- 9119a7d8-5eab-497f-8521-727c672e3725 (vdb-entry)
- 9119a7d8-5eab-497f-8521-727c672e3725 (third-party-advisory)
Frequently asked questions
- What is CVE-2026-73669?
- CVE-2026-73669 is a high-severity vulnerability in Signify Philips Hue Bridge Pro, classified under Missing Authentication for Critical Function. CVSS score: 7.3/10. Published 2026-08-13.
- How severe is CVE-2026-73669?
- High severity. CVSS v3 base score is 7.3 out of 10.