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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Philips | Hue Bridge V2 Firmware | < 1975170000 |
| Philips | Hue Bridge V2 | - |
Related Weaknesses (CWE)
References
- https://www.zerodayinitiative.com/advisories/ZDI-26-160/Third Party Advisory
FAQ
What is CVE-2026-3562?
CVE-2026-3562 is a vulnerability with a CVSS score of 8.8 (HIGH). Philips Hue Bridge hk_hap Ed25519 Signature Verification Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations o...
How severe is CVE-2026-3562?
CVE-2026-3562 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-3562?
Check the references section above for vendor advisories and patch information. Affected products include: Philips Hue Bridge V2 Firmware, Philips Hue Bridge V2.