SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2018-14839

LG N1A1 NAS Remote Command Execution Vulnerability

KEVCRITICAL 9.8EPSS 89.2%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 15 April 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

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
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
89.25% probability · 100th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 25 March 2022 · due 15 April 2022
Weakness
CWE-78
Affected
lg/n1a1 firmware
Source
cve@mitre.org
EPSS trend
0%45%90%27 October 2026: 89.25%27 October 202627 October 2026

EPSS 89.2% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2018-14839

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.