CVE-2026-73669

6.9 mediumEPSS 0.5%

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.

Severity

CVSS 4.0

6.9 medium

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

CVSS 3.1

7.3 high

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)
CWE: CWE-306
Published: 2026-08-13
Modified: 2026-08-26
Record from: the NVD, synced 2026-10-19

References

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-225-01.json
https://www.cve.org/CVERecord?id=CVE-2026-73669
https://www.philips-hue.com/en-us/support/release-notes/bridge-pro
https://www.philips-hue.com/en-us/support/security-advisory

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