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CVE-2026-3561— Philips Hue Bridge hk_hap characteristics Heap-based Buffer Overflow Remote Code Execution Vulnerability

Quick assessment

Affected
Philips Hue Bridge
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Philips Hue Bridge是日本Philips Hue公司的一款智能照明网关设备。 Philips Hue Bridge存在安全漏洞，该漏洞源于处理对characteristics端点的PUT请求时缺乏对用户数据长度的验证，可能导致堆缓冲区溢出和远程代码执行。

AI Predicted 8.1 Difficulty: Easy EPSS 0.50% · P40

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-3561

Vulnerability Information
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Vulnerability Title
Philips Hue Bridge hk_hap characteristics Heap-based Buffer Overflow Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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. Was ZDI-CAN-28479.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Philips Hue Bridge 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Philips Hue Bridge是日本Philips Hue公司的一款智能照明网关设备。 Philips Hue Bridge存在安全漏洞，该漏洞源于处理对characteristics端点的PUT请求时缺乏对用户数据长度的验证，可能导致堆缓冲区溢出和远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Philips Hue Bridge 1.73.1973146020 -

II. Public POCs for CVE-2026-3561

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III. Intelligence Information for CVE-2026-3561

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Vendor Advisories for CVE-2026-3561 (1)

Same Patch Batch · Philips · 2026-03-13 · 8 CVEs total

CVE-2026-3557 Philips Hue Bridge hap_pair_verify_handler Sub-TLV Parsing Heap-based Buffer Overflow Remo
CVE-2026-3562 Philips Hue Bridge hk_hap Ed25519 Signature Verification Authentication Bypass Vulnerabili
CVE-2026-3558 Philips Hue Bridge HomeKit Accessory Protocol Transient Pairing Mode Authentication Bypass
CVE-2026-3556 Philips Hue Bridge HomeKit Pair-Setup Heap-based Buffer Overflow Remote Code Execution Vul
CVE-2026-3560 Philips Hue Bridge HomeKit hk_hap_pair_storage_put Heap-based Buffer Overflow Remote Code
CVE-2026-3559 Philips Hue Bridge HomeKit Accessory Protocol Static Nonce Authentication Bypass Vulnerabi
CVE-2026-3555 Philips Hue Bridge Zigbee Stack Custom Command Handler Heap-based Buffer Overflow Remote C

IV. Related Vulnerabilities

Same product: Hue Bridge
Same vendor: Philips
Same weakness: CWE-122

V. Comments for CVE-2026-3561

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