{"id":"CVE-2016-6670","aliases":["EUVD-2016-7573","GHSA-hhfp-v3gq-7x69"],"status":"published","title":"Huawei S7700, S9300, S9700, and S12700 devices with software before V200R008C00SPC500 use random...","description":"Huawei S7700, S9300, S9700, and S12700 devices with software before V200R008C00SPC500 use random numbers with insufficient entropy to generate self-signed certificates, which makes it easier for remote attackers to discover private keys by leveraging knowledge of a certificate.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00832,"percentile":0.57842,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2016-09-07T19:00:00Z","modified":"2026-06-17T00:51:33Z","products":[{"vendor":"huawei","product":"s7700_firmware"},{"vendor":"huawei","product":"s9300_firmware"},{"vendor":"huawei","product":"s9700_firmware"},{"vendor":"huawei_firmware","product":"s12700"}],"references":[{"url":"http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160810-01-certificate-en","tags":["x_refsource_CONFIRM","x_transferred","Mitigation","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/92438","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-6670"},{"url":"https://github.com/advisories/GHSA-hhfp-v3gq-7x69"}],"sources":{"cve":[{"id":"CVE-2016-6670","description":"Huawei S7700, S9300, S9700, and S12700 devices with software before V200R008C00SPC500 use random numbers with insufficient entropy to generate self-signed certificates, which makes it easier for remote attackers to discover private keys by leveraging knowledge of a certificate.","status":"published","published":"2016-09-07T19:00:00Z","modified":"2024-08-06T01:36:29.483Z","updated_at":"2026-11-02T14:33:34.443637Z"}],"euvd":[{"id":"EUVD-2016-7573","description":"Huawei S7700, S9300, S9700, and S12700 devices with software before V200R008C00SPC500 use random numbers with insufficient entropy to generate self-signed certificates, which makes it easier for remote attackers to discover private keys by leveraging knowledge of a certificate.","status":"published","published":"2016-09-07T19:00:00Z","modified":"2024-08-06T01:36:29Z","updated_at":"2026-11-03T02:22:35.936009Z"}],"ghsa":[{"id":"GHSA-hhfp-v3gq-7x69","title":"Huawei S7700, S9300, S9700, and S12700 devices with software before V200R008C00SPC500 use random...","description":"Huawei S7700, S9300, S9700, and S12700 devices with software before V200R008C00SPC500 use random numbers with insufficient entropy to generate self-signed certificates, which makes it easier for remote attackers to discover private keys by leveraging knowledge of a certificate.","status":"published","published":"2022-05-17T03:49:10Z","modified":"2023-01-27T05:08:42Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:43:20.035173Z"}],"nvd":[{"id":"CVE-2016-6670","description":"Huawei S7700, S9300, S9700, and S12700 devices with software before V200R008C00SPC500 use random numbers with insufficient entropy to generate self-signed certificates, which makes it easier for remote attackers to discover private keys by leveraging knowledge of a certificate.","status":"published","published":"2016-09-07T19:28:13.38Z","modified":"2026-06-17T00:51:33.957Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:03:29.893676Z"}]}}