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PatchSiren cyber security CVE debrief

CVE-2018-14839 LG CVE debrief

CVE-2018-14839 is an LG N1A1 NAS remote command execution vulnerability that CISA added to its Known Exploited Vulnerabilities catalog on 2022-03-25. Because it appears in the KEV catalog, defenders should treat it as a high-priority remediation item and follow the vendor update guidance referenced by CISA.

Vendor
LG
Product
N1A1 NAS
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-03-25
Original CVE updated
2022-03-25
Advisory published
2022-03-25
Advisory updated
2022-03-25

Who should care

Organizations that still operate LG N1A1 NAS devices, along with asset owners, IT administrators, and security teams responsible for internet-facing or internally exposed storage systems.

Technical summary

The available source corpus identifies CVE-2018-14839 as a remote command execution issue affecting LG N1A1 NAS. CISA's KEV entry indicates the vulnerability is known to be exploited and directs affected organizations to apply updates per vendor instructions. No additional technical detail is provided in the supplied sources.

Defensive priority

High. KEV inclusion means this vulnerability should be prioritized for rapid inventory validation, exposure reduction, and remediation according to vendor guidance.

Recommended defensive actions

  • Identify whether any LG N1A1 NAS devices are present in your environment.
  • Verify whether affected devices are exposed to untrusted networks or the internet.
  • Apply vendor updates or mitigations referenced by CISA and the vendor as soon as possible.
  • If remediation cannot be completed immediately, isolate or restrict access to the affected device.
  • Monitor for suspicious activity on any exposed or legacy NAS systems until remediation is confirmed.

Evidence notes

The supplied source item is CISA's Known Exploited Vulnerabilities feed, which lists 'LG N1A1 NAS Remote Command Execution Vulnerability' for CVE-2018-14839 with dateAdded 2022-03-25 and dueDate 2022-04-15. The source metadata also points to the NVD record for the CVE. No further vulnerability mechanics were provided in the source corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2018-14839 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2018-14839

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2018-14839 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2018-14839

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.