Stack-based buffer overflow in the HPSDDX Class (SDD) ActiveX control in sdd.dll in HP Instant Support - Driver Check before 1.5.0.3 allows remote attackers to execute arbitrary code via a long argument to the queryHub function.
Conclusion & alert: CVE-2007-3554 is rated High Exploit Risk (80.2/100): CVSS High severity, with high exploitation likelihood (EPSS 36.25%, 97th percentile). Core evidence: 3 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 |
|---|---|---|---|---|
| 4137 | exploit_db | edb | 2007-07-02 | Exploit-DB ↗ |
| 30257 | exploit_db | edb | 2007-04-01 | 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 | 2026-02-20 | 35.41% | 36.25% | +0.84% |
| 2 | 2025-06-08 | 32.55% | 35.41% | +2.86% |
| 3 | 2025-04-22 | — | 32.55% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.6 | 2.0 | HIGH |
|
4.9 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| hp | instant_support | — | cpe:2.3:a:hp:instant_support:*:*:*:*:*:*:*:* |