CVE-2018-14839
Published: March 25, 2022
Official Description
LG N1A1 NAS 3718.510 is affected by a remote code execution vulnerability.
CISA KEV Advisory
LG N1A1 NAS Remote Command Execution Vulnerability
LG N1A1 NAS 3718.510 is affected by a remote code execution vulnerability.
Apply updates per vendor instructions.
Risk Analysis
The LG N1A1 NAS 3718.510 is susceptible to a remote code execution vulnerability. With an EPSS score of 0.90301 and its presence in CISA's KEV, this flaw represents a significant and actively exploited risk.
This vulnerability is actively exploited in the wild, as indicated by its inclusion in CISA's Known Exploited Vulnerabilities catalog.
Update the LG N1A1 NAS firmware to the latest secure version. Restrict network access to the NAS device to only necessary trusted sources.
Technical Analysis
CVE-2018-14839 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2018-14839 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2018-14839 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1