CVE-2026-3558: Philips Hue Bridge v2 Firmware

High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days.

Philips Hue Bridge HomeKit Accessory Protocol Transient Pairing Mode Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Philips Hue Bridge. Authentication is not required to exploit this vulnerability. The specific flaw exists within the configuration of the HomeKit Accessory Protocol service, which listens on TCP port 8080 by default. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-28374.

Affected products

• Philips Hue Bridge v2 Firmware: before 1975170000 (fixed in 1975170000)

Published 2026-03-16. Last modified 2026-06-17.