Stack-based buffer overflow in the do_hnap function in www/my_cgi.cgi in D-Link DSP-W215 (Rev. A1) with firmware 1.01b06 and earlier, DIR-505 with firmware before 1.08b10, and DIR-505L with firmware 1.01 and earlier allows remote attackers to execute arbitrary code via a long Content-Length header in a GetDeviceSettings action in an HNAP request.
Conclusion & alert: CVE-2014-3936 is rated High Exploit Risk (87.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 84.33%, 99th percentile). Core evidence: 4 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 |
|---|---|---|---|---|
| 34064 | exploit_db | edb | 2014-07-14 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | 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 | 2026-01-16 | 86.28% | 84.33% | -1.96% |
| 2 | 2025-05-20 | 85.46% | 86.28% | +0.83% |
| 3 | 2025-05-15 | — | 85.46% | — |
Full EPSS history (18 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| dlink | dir505_shareport_mobile_companion_firmware | <= 1.07 | cpe:2.3:o:dlink:dir505_shareport_mobile_companion_firmware:*:*:*:*:*:*:*:* |
| dlink | dir505_shareport_mobile_companion | a1 | cpe:2.3:h:dlink:dir505_shareport_mobile_companion:a1:*:*:*:*:*:*:* |
| dlink | dir505l_shareport_mobile_companion_firmware | <= 1.01 | cpe:2.3:o:dlink:dir505l_shareport_mobile_companion_firmware:*:*:*:*:*:*:*:* |
| dlink | dir-505l_shareport_mobile_companion | a1 | cpe:2.3:h:dlink:dir-505l_shareport_mobile_companion:a1:*:*:*:*:*:*:* |
| dlink | dsp-w215_firmware | <= 1.01 | cpe:2.3:o:dlink:dsp-w215_firmware:*:b06:*:*:*:*:*:* |
| dlink | dsp-w215 | a1 | cpe:2.3:h:dlink:dsp-w215:a1:*:*:*:*:*:*:* |