{"id":"CVE-2026-3562","state":"PUBLISHED","title":"Philips Hue Bridge hk_hap Ed25519 Signature Verification Authentication Bypass 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.\n\nThe 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.","publishedAt":"2026-03-13T20:37:09.162Z","updatedAt":"2026-03-16T20:21:33.688Z","severity":{"score":6.3,"label":"Medium","version":"3.0","vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","source":"zdi"},"assigner":"zdi","products":["Philips Hue Bridge"],"affected":[{"vendor":"Philips","product":"Hue Bridge","defaultStatus":"unknown","versions":[{"version":"1.73.1973146020","status":"affected"}]}],"references":["https://www.zerodayinitiative.com/advisories/ZDI-26-160/"],"weaknesses":["CWE-347"],"ingestedAt":"2026-10-29T20:11:50.837Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/3xxx/CVE-2026-3562.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-3562","state":"PUBLISHED","datePublished":"2026-03-13T20:37:09.162Z","dateUpdated":"2026-03-16T20:21:33.688Z","assignerShortName":"zdi","assignerOrgId":"99f1926a-a320-47d8-bbb5-42feb611262e","dateReserved":"2026-03-04T19:42:57.379Z"},"containers":{"cna":{"title":"Philips Hue Bridge hk_hap Ed25519 Signature Verification Authentication Bypass Vulnerability","descriptions":[{"lang":"en","value":"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.\n\nThe 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."}],"affected":[{"vendor":"Philips","product":"Hue Bridge","defaultStatus":"unknown","versions":[{"version":"1.73.1973146020","status":"affected"}]}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-26-160/","name":"ZDI-26-160","tags":["x_research-advisory"]}],"metrics":[{"format":"CVSS","cvssV3_0":{"version":"3.0","vectorString":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","baseScore":6.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-347","lang":"en","description":"CWE-347: Improper Verification of Cryptographic Signature","type":"CWE"}]}],"providerMetadata":{"shortName":"zdi","orgId":"99f1926a-a320-47d8-bbb5-42feb611262e","dateUpdated":"2026-03-13T20:37:09.162Z"},"dateAssigned":"2026-03-04T19:42:57.414Z","datePublic":"2026-03-06T21:19:44.813Z","source":{"lang":"en","value":"Viettel Cyber Security"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-16T20:21:23.637688Z","id":"CVE-2026-3562","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-16T20:21:33.688Z"}}]}}}