{"id":"CVE-2016-6554","aliases":["EUVD-2016-7475","GHSA-q999-pmcf-gq4r"],"status":"published","title":"Synology NAS servers DS107, DS116, and DS213, use default credentials","description":"Synology NAS servers DS107, firmware version 3.1-1639 and prior, and DS116, DS213, firmware versions prior to 5.2-5644-1, use non-random default credentials of: guest:(blank) and admin:(blank) . A remote network attacker can gain privileged access to a vulnerable device.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.04077,"percentile":0.9077,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-255"],"published":"2018-07-13T20:00:00Z","modified":"2026-06-17T00:51:22Z","products":[{"vendor":"synology","product":"ds107_firmware"},{"vendor":"synology","product":"ds116_firmware"},{"vendor":"synology","product":"ds213_firmware"},{"vendor":"synology","product":"nas server ds107"},{"vendor":"synology","product":"nas server ds116"},{"vendor":"synology","product":"nas server ds213"}],"references":[{"url":"https://www.synology.com/en-global/releaseNote/DS213","tags":["x_refsource_CONFIRM","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://www.securityfocus.com/bid/93805","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.kb.cert.org/vuls/id/404187","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-6554"},{"url":"https://github.com/advisories/GHSA-q999-pmcf-gq4r"}],"sources":{"cve":[{"id":"CVE-2016-6554","title":"Synology NAS servers DS107, DS116, and DS213, use default credentials","description":"Synology NAS servers DS107, firmware version 3.1-1639 and prior, and DS116, DS213, firmware versions prior to 5.2-5644-1, use non-random default credentials of: guest:(blank) and admin:(blank) . A remote network attacker can gain privileged access to a vulnerable device.","status":"published","published":"2018-07-13T20:00:00Z","modified":"2024-08-06T01:36:28.402Z","cwes":["CWE-255"],"updated_at":"2026-11-02T14:33:34.443637Z"}],"euvd":[{"id":"EUVD-2016-7475","description":"Synology NAS servers DS107, firmware version 3.1-1639 and prior, and DS116, DS213, firmware versions prior to 5.2-5644-1, use non-random default credentials of: guest:(blank) and admin:(blank) . A remote network attacker can gain privileged access to a vulnerable device.","status":"published","published":"2018-07-13T20:00:00Z","modified":"2024-08-06T01:36:28Z","updated_at":"2026-11-03T02:22:36.370031Z"}],"ghsa":[{"id":"GHSA-q999-pmcf-gq4r","title":"Synology NAS servers DS107, firmware version 3.1-1639 and prior, and DS116, DS213, firmware...","description":"Synology NAS servers DS107, firmware version 3.1-1639 and prior, and DS116, DS213, firmware versions prior to 5.2-5644-1, use non-random default credentials of: guest:(blank) and admin:(blank) . A remote network attacker can gain privileged access to a vulnerable device.","status":"published","published":"2022-05-13T01:38:45Z","modified":"2023-02-02T05:00:23Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T14:50:56.67974Z"}],"nvd":[{"id":"CVE-2016-6554","description":"Synology NAS servers DS107, firmware version 3.1-1639 and prior, and DS116, DS213, firmware versions prior to 5.2-5644-1, use non-random default credentials of: guest:(blank) and admin:(blank) . A remote network attacker can gain privileged access to a vulnerable device.","status":"published","published":"2018-07-13T20:29:00.753Z","modified":"2026-06-17T00:51:22.407Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-255"],"updated_at":"2026-11-02T14:03:39.621168Z"}]}}