Cisco EPC3928 devices with EDVA 5.5.10, 5.5.11, and 5.7.1 allow remote attackers to bypass an intended authentication requirement and execute unspecified administrative functions via a crafted HTTP request, aka Bug ID CSCux24941.
Conclusion & alert: CVE-2015-6401 is rated High Exploit Risk (77.5/100): CVSS High severity, with high exploitation likelihood (EPSS 7.63%, 94th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 39904 | exploit_db | edb | 2016-06-07 | Exploit-DB ↗ |
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 | 2026-06-29 | 8.01% | 7.63% | -0.38% |
| 2 | 2026-06-15 | 7.91% | 8.01% | +0.10% |
| 3 | 2025-03-30 | — | 7.91% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | epc3928_docsis_3.0_8x4_wireless_residential_gateway_with_embedded_digital_voice_adapter | 5.5.10 | cpe:2.3:o:cisco:epc3928_docsis_3.0_8x4_wireless_residential_gateway_with_embedded_digital_voice_adapter:5.5.10:*:*:*:*:*:*:* |
| cisco | epc3928_docsis_3.0_8x4_wireless_residential_gateway_with_embedded_digital_voice_adapter | 5.5.11 | cpe:2.3:o:cisco:epc3928_docsis_3.0_8x4_wireless_residential_gateway_with_embedded_digital_voice_adapter:5.5.11:*:*:*:*:*:*:* |
| cisco | epc3928_docsis_3.0_8x4_wireless_residential_gateway_with_embedded_digital_voice_adapter | 5.7.1 | cpe:2.3:o:cisco:epc3928_docsis_3.0_8x4_wireless_residential_gateway_with_embedded_digital_voice_adapter:5.7.1:*:*:*:*:*:*:* |