ZDI-CAN-28479: ZDI-26-159: (Pwn2Own) Philips Hue Bridge hk_hap characteristics Heap-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Philips Hue Bridge. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of PUT requests to the characteristics endpoint. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device.
Other sources
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Philips Hue Bridge. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The ZDI has assigned a CVSS rating of 8.0. The following CVEs are assigned: CVE-2026-3561.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-28479?
ZDI-CAN-28479 is classified as a critical vulnerability due to its potential for remote code execution.
How do I fix ZDI-CAN-28479?
To remediate ZDI-CAN-28479, ensure that your Philips Hue Bridge firmware is updated to the latest version provided by Philips.
What systems are affected by ZDI-CAN-28479?
ZDI-CAN-28479 affects installations of the Philips Hue Bridge.
Can ZDI-CAN-28479 be exploited remotely?
Yes, ZDI-CAN-28479 can be exploited by network-adjacent attackers if the proper conditions are met.
Is authentication required to exploit ZDI-CAN-28479?
Yes, authentication is required for an attacker to successfully exploit ZDI-CAN-28479.