The 3Com 3CRWER100-75 router with 1.2.10ww software, when enabling an optional virtual server, configures this server to accept all source IP addresses on the external (Internet) interface unless the user selects other options, which might expose the router to unintended incoming traffic from remote attackers, as demonstrated by setting up a virtual server on port 80, which allows remote attackers to access the web management interface.
Conclusion & alert: CVE-2007-5419 is rated High Risk (67.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.13%). 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 | 2026-05-31 | 0.77% | 1.13% | +0.35% |
| 2 | 2025-03-30 | 2.08% | 0.77% | -1.30% |
| 3 | 2025-03-29 | — | 2.08% | — |
Full EPSS history (10 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 |
|---|---|---|---|
| 3com | 3crwe554g72t | 3crwer100-75 | cpe:2.3:h:3com:3crwe554g72t:3crwer100-75:*:1.2.10ww:*:*:*:*:* |