CVE-2026-3562: medium-severity vulnerability in Philips Hue Bridge
Philips Hue Bridge hk_hap Ed25519 Signature Verification Authentication Bypass Vulnerability
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.3epss 0.3%
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:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected products
Philips · Hue BridgeRelated CVEs — Philips Hue Bridge
In the same product, most dangerous first.
CVE-2026-3556HIGHPhilips Hue Bridge HomeKit Pair-Setup Heap-based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.6%CVE-2026-3561HIGHPhilips Hue Bridge hk_hap characteristics Heap-based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.6%CVE-2026-3557HIGHPhilips Hue Bridge hap_pair_verify_handler Sub-TLV Parsing Heap-based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.6%CVE-2026-3560HIGHPhilips Hue Bridge HomeKit hk_hap_pair_storage_put Heap-based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.6%CVE-2026-3558HIGHPhilips Hue Bridge HomeKit Accessory Protocol Transient Pairing Mode Authentication Bypass VulnerabilityEPSS 0.5%CVE-2026-3559HIGHPhilips Hue Bridge HomeKit Accessory Protocol Static Nonce Authentication Bypass VulnerabilityEPSS 0.5%