I-O DATA DEVICE WFS-SR01 firmware version 1.10 and earlier allow remote attackers to bypass access restriction to access data on storage devices inserted into the product via unspecified vectors.
Conclusion & alert: CVE-2016-7807 is rated Moderate Risk (58.7/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.02%). Core evidence: EPSS rose +1.26% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule 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 | 0.75% | 2.02% | +1.26% |
| 2 | 2025-03-30 | 1.39% | 0.75% | -0.63% |
| 3 | 2025-03-29 | — | 1.39% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [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 |