Multiple cross-site request forgery (CSRF) vulnerabilities in Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gateway hardware 1.0 with firmware CH6640-3.5.11.7-NOSH allow remote attackers to hijack the authentication of administrators for requests that (1) have unspecified impact on DDNS configuration via a request to basicDDNS.html, (2) change the wifi password via the psKey parameter to setWirelessSecurity.html, (3) add a static MAC address via the MacAddress parameter in an add_static action to setBasicDHCP1.html, or (4) enable or disable UPnP via the UPnP parameter in an apply action to setAdvancedOptions.html.
Conclusion & alert: CVE-2014-8654 is rated High Exploit Risk (71/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.87%). 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 |
|---|---|---|---|---|
| 35075 | exploit_db | edb | 2014-10-27 | 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 | 2026-06-15 | 3.78% | 2.87% | -0.91% |
| 2 | 2025-04-04 | 3.98% | 3.78% | -0.20% |
| 3 | 2025-03-30 | — | 3.98% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| compal_broadband_networks | firmware | ch6640-3.5.11.7-nosh | cpe:2.3:a:compal_broadband_networks:firmware:ch6640-3.5.11.7-nosh:*:*:*:*:*:*:* |
| compal_broadband_networks | cg6640e_wireless_gateway | 1.0 | cpe:2.3:h:compal_broadband_networks:cg6640e_wireless_gateway:1.0:*:*:*:*:*:*:* |
| compal_broadband_networks | ch664oe_wireless_gateway | 1.0 | cpe:2.3:h:compal_broadband_networks:ch664oe_wireless_gateway:1.0:*:*:*:*:*:*:* |