Auth bypass in Novelsat Ns2000

CVE-2025-45814

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.

Vulnerability class: Broken Authentication

EPSS: 0.005 (40.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-45814?
CVE-2025-45814 is a critical-severity vulnerability in Novelsat Ns2000, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2025-07-02.
How severe is CVE-2025-45814?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-45814 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.