Stack-based buffer overflow in the SonicWall SSL-VPN NetExtender NELaunchCtrl ActiveX control before 2.1.0.51, and 2.5.x before 2.5.0.56, allows remote attackers to execute arbitrary code via a long string in the second argument to the AddRouteEntry method.
Conclusion & alert: CVE-2007-5603 is rated High Exploit Risk (81.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 70.32%, 99th 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 |
|---|---|---|---|---|
| 16616 | exploit_db | edb | 2010-05-09 | Exploit-DB ↗ |
| 4594 | exploit_db | edb | 2007-11-01 | 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 | 2026-05-26 | 75.79% | 70.32% | -5.46% |
| 2 | 2026-02-21 | 71.94% | 75.79% | +3.84% |
| 3 | 2026-01-18 | — | 71.94% | — |
Full EPSS history (20 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |