Synology NAS servers contain insecure default credentials
Original Release date: 20 Oct 2016 | Last revised: 20 Oct 2016
Synology NAS servers DS107, DS116, and DS213, use default credentials.
CWE-255: Credentials Management – CVE-2016-6554
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.
A remote attacker can take complete control of a device using default admin credentials.
Apply an UpdateFirmware version 5.2-5644-1 for the DS116 and DS213 will require a strong password for the default admin account.For the DS107 and for guest accounts, implement the following workarounds.
Disable Default AccountsThe latest firmware versions for all affected devices allow the default guest account to be disabled.The latest firmware for the DS116 and DS213 allow the default admin account to be disabled.Use strong passwordsUse of strong, unique passwords can help reduce the efficacy of brute force password guessing attacks.Restrict accessAs a general good security practice, only allow trusted hosts to connect to the device.
Vendor Information (Learn More)
12 Oct 2016
13 Oct 2016
If you are a vendor and your product is affected, let us know.
CVSS Metrics (Learn More)
Thanks to Ory Segal and Ezra Caltum for reporting this vulnerability.
This document was written by Trent Novelly.
CVE IDs: CVE-2016-6554
Date Public: 20 Oct 2016
Date First Published: 20 Oct 2016
Date Last Updated: 20 Oct 2016
Document Revision: 14
If you have feedback, comments, or additional information about this vulnerability, please send us email.