RCE in Novastar Cx40
CVE-2025-3008
A vulnerability classified as critical has been found in Novastar CX40 up to 2.44.0. Affected is the function system/popen of the file /usr/nova/bin/netconfig of the component NetFilter Utility. The manipulation leads to command injection. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.010 (60.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Novastar Cx40 — versions 2.0, 2.1, 2.2
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
Frequently asked questions
- What is CVE-2025-3008?
- CVE-2025-3008 is a medium-severity vulnerability in Novastar Cx40, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 5.5/10. Published 2025-03-31.
- How severe is CVE-2025-3008?
- Medium severity. CVSS v3 base score is 5.5 out of 10.