Stack-based buffer overflow in the TMregChange function in TMReg.dll in Trend Micro ServerProtect before 5.58 Security Patch 4 allows remote attackers to execute arbitrary code via a crafted packet to TCP port 5005.
Conclusion & alert: CVE-2007-4731 is rated High Risk (74.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 36.45%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2026-05-01 | 35.61% | 36.45% | +0.84% |
| 2 | 2025-03-30 | 39.68% | 35.61% | -4.07% |
| 3 | 2025-03-29 | — | 39.68% | — |
Full EPSS history (11 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 |
|---|---|---|---|
| trend_micro | serverprotect | <= 5.58_security_patch_3 | cpe:2.3:a:trend_micro:serverprotect:*:*:windows:*:*:*:*:* |