CVE-2025-45814: NS3000 · Missing Authentication
Source CVE Database V5
Not known to be exploited · CVSS 9.8 Critical.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 46% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 2 Jul 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
Given the absence of official patches, European organizations should implement immediate compensating controls. These include restricting network access to the query.fcgi endpoint by implementing strict firewall rules and network segmentation to limit exposure only to trusted management networks. Enforce strong monitoring and logging of all access attempts to the affected devices, focusing on unusual session activity or repeated access failures. Employ multi-factor authentication (MFA) on management interfaces where possible to reduce the risk of session hijacking. Regularly update and audit device firmware and software to ensure timely application of any future patches. Additionally, organizations should conduct internal penetration testing and vulnerability assessments targeting these endpoints to identify potential exploitation attempts. Educating administrators about the risk and ensuring that session tokens are handled securely within the network can further reduce attack surface. Finally, consider isolating or replacing vulnerable devices if they are critical to sensitive operations and no timely patch is available.
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.