Synology NAS servers DS107, DS116, and DS213, use default credentials
Priority MEDIUM 49CWE-255Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.04077 90th percentileScored 2026-11-07
Fix Fixed NAS server DS116 (Synology): 5.2-5644-1NAS server DS213 (Synology): 5.2-5644-1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Synology | NAS server DS107 | 3.1-1639 – 3.1-1639 | — | No fix listed | CNA |
| Synology | NAS server DS116 | 5.2-5644-1 to before 5.2-5644-1 | 5.2-5644-1 | Patch available | CNA |
| Synology | NAS server DS213 | 5.2-5644-1 to before 5.2-5644-1 | 5.2-5644-1 | Patch available | CNA |
- NAS server DS107 VendorSynology Affected 3.1-1639 – 3.1-1639 Fixed in — No fix listed CNA
- NAS server DS116 VendorSynology Affected 5.2-5644-1 to before 5.2-5644-1 Fixed in 5.2-5644-1 Patch available CNA
- NAS server DS213 VendorSynology Affected 5.2-5644-1 to before 5.2-5644-1 Fixed in 5.2-5644-1 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:synology:ds107_firmware:*:*:*:*:*:*:*:* | up to 3.1-1639 | Vulnerable | Synology |
| cpe:2.3:h:synology:ds107:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Synology |
| cpe:2.3:o:synology:ds213_firmware:*:*:*:*:*:*:*:* | up to 5.2-5644-1 | Vulnerable | Synology |
| cpe:2.3:h:synology:ds213:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Synology |
| cpe:2.3:o:synology:ds116_firmware:*:*:*:*:*:*:*:* | up to 5.2-5644-1 | Vulnerable | Synology |
| cpe:2.3:h:synology:ds116:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Synology |
- cpe:2.3:o:synology:ds107_firmware:*:*:*:*:*:*:*:* Versions up to 3.1-1639 Vulnerable ·Synology
- cpe:2.3:h:synology:ds107:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Synology
- cpe:2.3:o:synology:ds213_firmware:*:*:*:*:*:*:*:* Versions up to 5.2-5644-1 Vulnerable ·Synology
- cpe:2.3:h:synology:ds213:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Synology
- cpe:2.3:o:synology:ds116_firmware:*:*:*:*:*:*:*:* Versions up to 5.2-5644-1 Vulnerable ·Synology
- cpe:2.3:h:synology:ds116:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Synology
Remediation
- Fix · CNA NAS server DS116 (Synology) Fixed in 5.2-5644-1
- Fix · CNA NAS server DS213 (Synology) Fixed in 5.2-5644-1
Timeline
- 2026-10-02 Threatist record created from CVE-2016-6554
- 2026-10-03 Alias added: GHSA-q999-pmcf-gq4r
References
Sources
- CVE-2016-6554 · CVE Program
- CVE-2016-6554 · NVD
- FIRST EPSS
- GHSA-q999-pmcf-gq4r · GitHub Advisory Database · CC BY 4.0
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