{"id":"CVE-2016-4577","aliases":["EUVD-2016-5563","GHSA-v5q4-qq7p-9vw8"],"status":"published","title":"Buffer overflow in the Smart DNS functionality in the Huawei NGFW Module and Secospace USG6300,...","description":"Buffer overflow in the Smart DNS functionality in the Huawei NGFW Module and Secospace USG6300, USG6500, USG6600, and USG9500 firewalls with software before V500R001C20SPC100 allows remote attackers to cause a denial of service or execute arbitrary code via a crafted packet, related to \"illegitimate parameters.\"","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00997,"percentile":0.6295,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2016-05-23T19:00:00Z","modified":"2026-06-17T00:47:49Z","products":[{"vendor":"huawei","product":"ngfw_module_firmware"},{"vendor":"huawei","product":"secospace_usg6300_firmware"},{"vendor":"huawei","product":"secospace_usg6500_firmware"},{"vendor":"huawei","product":"secospace_usg6600_firmware"},{"vendor":"huawei","product":"usg9500_firmware"}],"references":[{"url":"http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160511-01-dns-en","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/90532","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4577"},{"url":"https://github.com/advisories/GHSA-v5q4-qq7p-9vw8"}],"sources":{"cve":[{"id":"CVE-2016-4577","description":"Buffer overflow in the Smart DNS functionality in the Huawei NGFW Module and Secospace USG6300, USG6500, USG6600, and USG9500 firewalls with software before V500R001C20SPC100 allows remote attackers to cause a denial of service or execute arbitrary code via a crafted packet, related to \"illegitimate parameters.\"","status":"published","published":"2016-05-23T19:00:00Z","modified":"2024-08-06T00:32:25.907Z","updated_at":"2026-11-02T14:33:35.149563Z"}],"euvd":[{"id":"EUVD-2016-5563","description":"Buffer overflow in the Smart DNS functionality in the Huawei NGFW Module and Secospace USG6300, USG6500, USG6600, and USG9500 firewalls with software before V500R001C20SPC100 allows remote attackers to cause a denial of service or execute arbitrary code via a crafted packet, related to \"illegitimate parameters.\"","status":"published","published":"2016-05-23T19:00:00Z","modified":"2024-08-06T00:32:25Z","updated_at":"2026-11-03T02:22:45.901874Z"}],"ghsa":[{"id":"GHSA-v5q4-qq7p-9vw8","title":"Buffer overflow in the Smart DNS functionality in the Huawei NGFW Module and Secospace USG6300,...","description":"Buffer overflow in the Smart DNS functionality in the Huawei NGFW Module and Secospace USG6300, USG6500, USG6600, and USG9500 firewalls with software before V500R001C20SPC100 allows remote attackers to cause a denial of service or execute arbitrary code via a crafted packet, related to \"illegitimate parameters.\"","status":"published","published":"2022-05-17T03:41:05Z","modified":"2023-01-27T05:08:25Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:43:17.773763Z"}],"nvd":[{"id":"CVE-2016-4577","description":"Buffer overflow in the Smart DNS functionality in the Huawei NGFW Module and Secospace USG6300, USG6500, USG6600, and USG9500 firewalls with software before V500R001C20SPC100 allows remote attackers to cause a denial of service or execute arbitrary code via a crafted packet, related to \"illegitimate parameters.\"","status":"published","published":"2016-05-23T19:59:11.197Z","modified":"2026-06-17T00:47:49.373Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:A/AC:H/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:03:25.366449Z"}]}}