Harmonic NSG 9000 devices allow remote authenticated users to conduct directory traversal…
Priority MEDIUM 42CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
Harmonic NSG 9000 devices allow remote authenticated users to conduct directory traversal attacks, as demonstrated by "POST /PY/EMULATION_GET_FILE" or "POST /PY/EMULATION_EXPORT" with FileName=../../../passwd in the POST data.
Why it matters now
EPSS 0.02007 80th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
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
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:harmonicinc:nsg_9000_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Harmonicinc |
| cpe:2.3:h:harmonicinc:nsg_9000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Harmonicinc |
- cpe:2.3:o:harmonicinc:nsg_9000_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Harmonicinc
- cpe:2.3:h:harmonicinc:nsg_9000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Harmonicinc
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-14942
- 2026-10-03 Alias added: GHSA-3hpp-m956-p9wj
References
More Harmonicinc Nsg 9000 Firmware vulnerabilities
- TI-2018-10750 Harmonic NSG 9000 devices have a default password of nsgadmin for the admin account, a… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2018-14942 · CVE Program
- CVE-2018-14942 · NVD
- FIRST EPSS
- GHSA-3hpp-m956-p9wj · 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