CVE-2026-3562HIGH 8.8EPSS p20.5%

CVE-2026-3562CVE-2026-3562

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.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.29% probability of exploitation · percentile 20.5% · 2026-06-18T12:00:27Z
Published2026-03-16
Last modified2026-04-27

Underlying weaknesses· 1

CWE-347

References

  1. https://www.zerodayinitiative.com/advisories/ZDI-26-160/

1

TypeTargetConfidenceTier
WeaknessImproper Verification of Cryptographic Signaturecwe-3470%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.