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Fencer Vulns
critical 9.8

CVE-2025-45814 json

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 atta…

published 2025-07-02 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-19747

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 46%
public exploits
0
none known

Summary

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.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
16 mo ago

Exploit prediction

0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-45814 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.