Cross-site scripting vulnerability in Toshiba Home gateway HEM-GW16A 1.2.9 and earlier, Toshiba Home gateway HEM-GW26A 1.2.9 and earlier allows an remote attacker to inject arbitrary web script or HTML via unspecified vectors.
Conclusion & alert: CVE-2018-16199 is rated Moderate Risk (40.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.26%). 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 | 2025-03-30 | 0.23% | 0.26% | +0.03% |
| 2 | 2025-03-29 | 0.26% | 0.23% | -0.03% |
| 3 | 2025-03-17 | — | 0.26% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.0 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| toshiba | hem-gw16a_firmware | <= 1.2.9 | cpe:2.3:o:toshiba:hem-gw16a_firmware:*:*:*:*:*:*:*:* |
| toshiba | hem-gw26a_firmware | <= 1.2.9 | cpe:2.3:o:toshiba:hem-gw26a_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.tlt.co.jp/tlt/information/seihin/notice/defect/20181219/20181219.htm | Vendor Advisory |
| https://jvn.jp/en/jp/JVN99810718/index.html | Third Party Advisory |