How severe is CVE-2025-45814?

CVE-2025-45814 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-45814 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-45814?

CVE-2025-45814 primarily affects Novelsat Ns3000 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-45814?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-45814 have an EU (EUVD) identifier?

Yes. CVE-2025-45814 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19747.

When was CVE-2025-45814 published?

CVE-2025-45814 was published on 2025-07-02 and last updated on 2026-06-17.

CVE-2025-45814

CVE-2025-45814 is a critical-severity vulnerability in Novelsat Ns3000 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-19747
Weakness: CWE-306
Affected product: Novelsat Ns3000 Firmware
Published: 2025-07-02
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-45814?: CVE-2025-45814 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-45814 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-45814?: CVE-2025-45814 primarily affects Novelsat Ns3000 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-45814?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-45814 have an EU (EUVD) identifier?: Yes. CVE-2025-45814 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19747.
When was CVE-2025-45814 published?: CVE-2025-45814 was published on 2025-07-02 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:novelsat:ns3000_firmware:7.2.8.124852:*:*:*:*:*:*:*
cpe:2.3:o:novelsat:ns3000_firmware:8.1.1.125110:*:*:*:*:*:*:*
cpe:2.3:o:novelsat:ns2000_firmware:7.02.08:*:*:*:*:*:*:*

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