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CVE-2026-3562— Philips Hue Bridge hk_hap Ed25519 Signature Verification Authentication Bypass 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存在数据伪造问题漏洞，该漏洞源于ed25519_sign_open函数对加密签名的验证不当，可能导致身份验证绕过。

AI Predicted 9.8 Difficulty: Easy EPSS 0.31% · P21
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I. Basic Information for CVE-2026-3562

Vulnerability Information
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Vulnerability Title
Philips Hue Bridge hk_hap Ed25519 Signature Verification Authentication Bypass Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Philips Hue Bridge hk_hap Ed25519 Signature Verification Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Philips Hue Bridge. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ed25519_sign_open function. The issue results from improper verification of a cryptographic signature. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-28480.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Philips Hue Bridge 数据伪造问题漏洞
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存在数据伪造问题漏洞，该漏洞源于ed25519_sign_open函数对加密签名的验证不当，可能导致身份验证绕过。
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-2026-3562

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III. Intelligence Information for CVE-2026-3562

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Vendor Advisories for CVE-2026-3562 (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-2026-3558 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-2026-3561 Philips Hue Bridge hk_hap characteristics Heap-based Buffer Overflow Remote Code Execution
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-347

V. Comments for CVE-2026-3562

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