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CVE-2018-14839 KEVPublic exploit Critical · 9.8 EPSS 89.2%

LG N1A1 NAS Remote Command Execution Vulnerability

LG · N1A1 NAS

Summary

The LG N1A1 NAS (firmware 3718.510) contains a remote command execution flaw, classified as improper neutralization of special elements used in an OS command. An attacker can exploit it by sending a crafted HTTP POST request with parameters over the network, requiring no authentication, no user interaction, and no particular configuration.

Official description · NVD

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.

Breakdown
69.8 / 100
Exploited
Yes, in CISA KEV
Reports
0
Tactics
2/15

How an attack unfolds

Based on mappings. Select a step to see the evidence.
  1. How attackers get in

  2. What they do

First seen exploited 3 years after disclosure.

  1. Disclosedday 0
  2. First seen exploitedVulnCheck KEV evidenceAdded to CISA KEVEU database agrees+3 yrs

CISA KEV listing is when exploitation was confirmed, not necessarily the first attack.

techniques

2 , grouped by in kill-chain order, 2 cited passages 2

Initial AccessTA0001

Exploit Public-Facing Application T1190 Medium
AI mapping from the description · how it is exploited

remote HTTP POST exploits public-facing app

HTTP POST with parameters
From the official description (NVD) Original (opens in a new tab) ↗

ExecutionTA0002

Command and Scripting Interpreter T1059 Medium
AI mapping from the description · primary impact

remote arbitrary code execution on device

execute arbitrary code (remote)
From the official description (NVD) Original (opens in a new tab) ↗

Detection

0 rules for this CVE · 244 general rules for its techniques

Rules for this CVE

0 that reference CVE-2018-14839 directly.

CVE-specific rules are not available in this build. Search SigmaHQ ↗

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What security researchers reported

Not named in any threat report yet

Also mentioned in 50 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

2 links, grouped by NVD tag (1 duplicate merged)
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