CVE-2026-3555 Philips Hue Bridge Zigbee Stack Custom Command Handler Heap-based Buffer Overflow Remote Code Execution Vulnerability
Network-adjacent attackers can execute arbitrary code on Philips Hue Bridge devices by exploiting a heap buffer overflow during Zigbee pairing.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-3555?
CVE-2026-3555 is a high-severity memory corruption vulnerability in Philips Hue Bridge, published on 13 Mar 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Philips Hue Bridge Zigbee Stack Custom Command Handler 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. User interaction is required to exploit this vulnerability in that the user must initiate the device pairing process.
The specific flaw exists within the handling of custom Zigbee ZCL frames in the Model Info download functionality. The issue results from the lack of proper validation of the size of data prior to copying it to a fixed-size heap buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-28276.
Weakness: CWE-122
Which versions are affected by CVE-2026-3555?
It affects 1 product.
Products include Philips Hue Bridge V2 Firmware.
How do I fix CVE-2026-3555?
No fix has been published for CVE-2026-3555 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-3555 being exploited?
There is no known exploitation of CVE-2026-3555 in the wild and no public exploit code.
Other vulnerabilities in Philips Hue Bridge
- CVE-2026-3556 Philips Hue Bridge HomeKit Pair-Setup Heap-based Buffer Overflow Remote Code Execution Vulnerability
- CVE-2026-3560 Philips Hue Bridge HomeKit hk_hap_pair_storage_put Heap-based Buffer Overflow Remote Code Execution Vulnerability
- CVE-2026-3558 Philips Hue Bridge HomeKit Accessory Protocol Transient Pairing Mode Authentication Bypass Vulnerability
- CVE-2026-3559 Philips Hue Bridge HomeKit Accessory Protocol Static Nonce Authentication Bypass Vulnerability
- CVE-2026-3557 Memory corruption in Hue Bridge
Sources
Also known as GHSA-2q8v-6q3v-prjc.