Novastar CX40 NetFilter Utility netconfig getopt stack-based overflow
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A vulnerability was found in Novastar CX40 up to 2.44.0. It has been rated as critical. This issue affects the function getopt of the file /usr/nova/bin/netconfig of the component NetFilter Utility. The manipulation of the argument cmd/netmask/pipeout/nettask leads to stack-based buffer overflow. 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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Novastar | CX40 | 2.0; 2.1; 2.2; 2.3; 2.4; 2.5; 2.6; 2.7; 2.8; 2.9; 2.10; 2.11; 2.12; 2.13; 2.14; 2.15; 2.16; 2.17; 2.18; 2.19; 2.20; 2.21; 2.22; 2.23; 2.24; 2.25; 2.26; 2.27; 2.28; 2.29; 2.30; 2.31; 2.32; 2.33; 2.34; 2.35; 2.36; 2.37; 2.38; 2.39; 2.40; 2.41; 2.42; 2.43; 2.44 | — | No fix listed | CNA |
- CX40 VendorNovastar Affected 2.0; 2.1; 2.2; 2.3; 2.4; 2.5; 2.6; 2.7; 2.8; 2.9; 2.10; 2.11; 2.12; 2.13; 2.14; 2.15; 2.16; 2.17; 2.18; 2.19; 2.20; 2.21; 2.22; 2.23; 2.24; 2.25; 2.26; 2.27; 2.28; 2.29; 2.30; 2.31; 2.32; 2.33; 2.34; 2.35; 2.36; 2.37; 2.38; 2.39; 2.40; 2.41; 2.42; 2.43; 2.44 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-3007
- 2026-10-03 Alias added: GHSA-7chq-xr5g-6crp
References
—
More Novastar vulnerabilities
- TI-2021-15904 An issue has been discovered in Novastar-VNNOX-iCare Novaicare 7.16.0 that gives attacker… CVSS 3.1HIGH 8.8
- TI-2025-02623 Novastar CX40 NetFilter Utility netconfig popen command injection CVSS 4.0MEDIUM 5.1
Sources
- CVE-2025-3007 · CVE Program
- CVE-2025-3007 · NVD
- FIRST EPSS
- GHSA-7chq-xr5g-6crp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences