An issue was discovered in Rivet Killer Control Center before 2.1.1352. IOCTL 0x120004 in KfeCo10X64.sys fails to validate parameters, leading to a stack-based buffer overflow, which can lead to code execution or escalation of privileges.
Conclusion & alert: CVE-2019-15661 is rated Moderate Risk (57/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.72%). 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 | 2026-03-22 | 2.30% | 1.72% | -0.57% |
| 2 | 2025-03-30 | 1.93% | 2.30% | +0.36% |
| 3 | 2025-03-29 | — | 1.93% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 3.1 | HIGH |
|
1.2 | 5.9 | [email protected] |
| 9.0 | 2.0 | HIGH |
|
8.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| killernetworking | killer_control_center | < 2.1.1352 | cpe:2.3:a:killernetworking:killer_control_center:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2019-0005/FEYE-2019-0005.md | Release Notes Third Party Advisory |
| https://support.killernetworking.com/downloads/ReleaseNotes/KillerSoftware_Release_Notes_2.1.1352.pdf | Release Notes Vendor Advisory |
| https://www.killernetworking.com | Product |