I-O DATA DEVICE WFS-SR01 firmware version 1.10 and earlier allow remote attackers to execute arbitrary OS commands via unspecified vectors.
Conclusion & alert: CVE-2016-7806 is rated High Risk (65.4/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.98%). Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 11.02% | 3.98% | -7.05% |
| 2 | 2025-03-30 | 17.49% | 11.02% | -6.47% |
| 3 | 2025-03-29 | — | 17.49% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| iodata | wfs-sr01_firmware | <= 1.10 | cpe:2.3:o:iodata:wfs-sr01_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.iodata.jp/support/information/2016/wfs-sr01/ | Patch Vendor Advisory |
| http://www.securityfocus.com/bid/94089 | Third Party Advisory VDB Entry |
| https://jvn.jp/en/jp/JVN18228200/index.html | Third Party Advisory VDB Entry |