Heap-based Buffer Overflow in Philips Hue Bridge Zigbee Stack
CVE-2026-3555

8HIGH

Key Information:

Vendor

Philips
Status
Hue Bridge
Vendor
CVE Published:
13 March 2026

What is CVE-2026-3555?

The vulnerability in the Philips Hue Bridge involves a flaw in the handling of custom Zigbee ZCL frames within the Model Info download feature. Due to inadequate data size validation before copying to a fixed-size buffer, an attacker can exploit this vulnerability to run arbitrary code on the device. This requires the user to initiate device pairing, allowing attackers to take control of the affected installations.

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Affected Version(s)

Hue Bridge 1.73.1973146020

References

https://www.zerodayinitiative.com/advisories/ZDI-26-153/
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CVSS V3.0

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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