Improper Verification of Cryptographic Signature in Hue Bridge V2 - CVE-2026-3562
Published: March 9, 2026
Vulnerability identifier: #VU123639
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-3562
CWE-ID: CWE-347
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Philips
Affected software:
Hue Bridge V2
Hue Bridge V2
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to improper verification of a cryptographic signature within the ed25519_sign_open function. A remote attacker on the local network can bypass authentication process and gain unauthorized access to the application.
How to mitigate CVE-2026-3562
Install updates from vendor's website.