CVE-2026-3558
HIGHPhilips Hue Bridge - Unauthenticated Authentication Bypass via HomeKit Accessory Protocol Transient Pairing Mode
Title source: llmDescription
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.
References (1)
Core 1
Core References
Third Party Advisory x_research-advisory
https://www.zerodayinitiative.com/advisories/ZDI-26-156/
Scores
CVSS v3
8.1
EPSS
0.0040
EPSS Percentile
31.6%
Attack Vector
ADJACENT_NETWORK
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-306
Status
published
Products (2)
Philips/Hue Bridge
1.73.1973146020
philips/hue_bridge_v2_firmware
< 1975170000
Published
Mar 16, 2026
Tracked Since
Mar 16, 2026