N.V.K.INTER CO., LTD.
Priority MEDIUM 50CWE-798Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-798.
Summary
N.V.K.INTER CO., LTD. (NVK) iBSG v3.5 was discovered to contain a hardcoded root password that allows attackers to login with root privileges via the SSH service. The cleartext password corresponding to the $1$4Tmm01jl$7HRvcW.bz7uGmX9hiQWvR hash was not determined by the vulnerability discoverer.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00645 51st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-39808
- 2026-10-03 Alias added: GHSA-62fj-4xw4-4wqj
- 2026-10-20 EPSS moved to the 50th–90th percentile
References
More Nvki Intelligent Broadband Subscriber Gateway vulnerabilities
- TI-2023-20791 N.V.K.INTER CO., LTD. CVSS 3.1CRITICAL 9.8
- TI-2023-20789 N.V.K.INTER CO., LTD. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-39808 · CVE Program
- CVE-2023-39808 · NVD
- FIRST EPSS
- GHSA-62fj-4xw4-4wqj · 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