Missing authentication checks in the query.fcgi endpoint of NS3000 v8.1.1.125110 , v7.2.8.124852 , and v7.x and NS2000 v7.02.08 allows attackers to execute a session hijacking attack.
Conclusion & alert: CVE-2025-45814 is rated High Exploit Risk (73.7/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.32%). Core evidence: 1 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 |
|---|---|---|---|---|
| — | 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 | 2026-04-28 | 0.12% | 0.32% | +0.20% |
| 2 | 2025-11-28 | 0.17% | 0.12% | -0.05% |
| 3 | 2025-11-01 | — | 0.17% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| novelsat | ns3000_firmware | 7.2.8.124852 | cpe:2.3:o:novelsat:ns3000_firmware:7.2.8.124852:*:*:*:*:*:*:* |
| novelsat | ns3000_firmware | 8.1.1.125110 | cpe:2.3:o:novelsat:ns3000_firmware:8.1.1.125110:*:*:*:*:*:*:* |
| novelsat | ns2000_firmware | 7.02.08 | cpe:2.3:o:novelsat:ns2000_firmware:7.02.08:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-45814 | Exploit Third Party Advisory |
| https://novelsat.com/ | Product |