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CVE-2026-3562

Philips Hue Bridge hk_hap Ed25519 Signature Verification Authentication Bypass Vulnerability.

Impact

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.

Affected products

VendorProductAffected versions
PhilipsHue Bridge V2 Firmware
before 1975170000

Weakness classification

References