CVE-2026-3562
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductPhilips Hue Bridge V2 Firmware
PublishedMar 16, 2026
First seenMar 16, 2026
Weakness typeCWE-347CWE-347
How to fix
Update
- philips hue_bridge_v2_firmware1975170000 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| philips hue_bridge_v2_firmware | v < 1975170000 | 1975170000 |
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