{"id":"CVE-2021-22735","aliases":["EUVD-2021-9870","GHSA-mf6w-xpm7-q832"],"status":"published","title":"Improper Verification of Cryptographic Signature vulnerability exists inhomeLYnk (Wiser For KNX)...","description":"Improper Verification of Cryptographic Signature vulnerability exists inhomeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could allow remote code execution when unauthorized code is copied to the device.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01,"percentile":0.631,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-347"],"published":"2021-05-26T19:19:43Z","modified":"2026-06-17T03:37:40Z","products":[{"vendor":"schneider-electric","product":"homelynk_firmware"},{"vendor":"schneider-electric","product":"spacelynk_firmware"}],"references":[{"url":"https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22735"},{"url":"https://github.com/advisories/GHSA-mf6w-xpm7-q832"}],"sources":{"cve":[{"id":"CVE-2021-22735","description":"Improper Verification of Cryptographic Signature vulnerability exists inhomeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could allow remote code execution when unauthorized code is copied to the device.","status":"published","published":"2021-05-26T19:19:43Z","modified":"2024-08-03T18:51:07.376Z","cwes":["CWE-347"],"updated_at":"2026-11-02T14:32:58.028461Z"}],"euvd":[{"id":"EUVD-2021-9870","description":"Improper Verification of Cryptographic Signature vulnerability exists inhomeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could allow remote code execution when unauthorized code is copied to the device.","status":"published","published":"2021-05-26T19:19:43Z","modified":"2024-08-03T18:51:07Z","updated_at":"2026-11-03T03:25:01.606931Z"}],"ghsa":[{"id":"GHSA-mf6w-xpm7-q832","title":"Improper Verification of Cryptographic Signature vulnerability exists inhomeLYnk (Wiser For KNX)...","description":"Improper Verification of Cryptographic Signature vulnerability exists inhomeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could allow remote code execution when unauthorized code is copied to the device.","status":"published","published":"2022-05-24T19:03:17Z","modified":"2023-01-29T05:07:45Z","cwes":["CWE-347"],"updated_at":"2026-11-02T14:46:11.123221Z"}],"nvd":[{"id":"CVE-2021-22735","description":"Improper Verification of Cryptographic Signature vulnerability exists inhomeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could allow remote code execution when unauthorized code is copied to the device.","status":"published","published":"2021-05-26T20:15:09.063Z","modified":"2026-06-17T03:37:40.827Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:06:53.987491Z"}]}}