CVE DATABASE / CVE-2018-14839
CVE-2018-14839
LG N1A1 NAS Remote Command Execution Vulnerability
CVSS 9.8 · CRITICAL
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2022-03-25.
Federal remediation due 2022-04-15.
Required action: Apply updates per vendor instructions.
Summary
LG N1A1 NAS 3718.510 is affected by: Remote Command Execution. The impact is: execute arbitrary code (remote). The attack vector is: HTTP POST with parameters.
CVSS 3.1 breakdown
| Base score | 9.8 (CRITICAL) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Lg n1a1 firmwareLg n1a1
Check this CVE live
Use our free CVE Lookup tool for the latest NVD record, or browse the full CISA KEV catalog.
References
- https://medium.com/%400x616163/lg-n1a1-unauthenticated-remote-command-injection-cve-2018-14839-9d2cf760e247
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14839
Data: NIST NVD + CISA KEV. NVD last modified 2025-11-07. Always verify against the vendor advisory before acting.