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LG TV found scanning LAN devices even while offline

Recent testing reveals LG smart TVs are capable of scanning home LAN networks for third-party phones and devices, even when disconnected from the internet.

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Inewgen
09 Sep 2026Source: Ars Technica2 min read (0 views)
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LG TV found scanning LAN devices even while offline

Stock photo for illustration only, not from the actual event

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  • LG smart TVs have been shown capable of scanning home network environments.
  • The device discovery process occurs even when the TV is offline.
  • Targeted devices include third-party smartphones connected to the same local network.

Recent testing reports highlighted by Ars Technica have revealed concerning behavior in LG smart TVs, demonstrating their capability to scan local area networks (LAN) to detect other devices, including third-party smartphones operating on the same home network.

A critical aspect raising privacy concerns among security experts is that this network scanning activity continues to function even when the television is placed in an offline state or completely disconnected from the internet.

smart tv remote screen living room

Stock photo for illustration only, not from the actual event

While consumer electronics manufacturers have previously faced scrutiny over collecting viewing data for targeted advertising, local network surveillance while offline represents a deeper level of device visibility that directly impacts household privacy.

From a cybersecurity perspective, IoT appliances capable of probing local network environments while offline indicate active background processes mapping internal infrastructure. Consumers are advised to utilize segregated guest networks for smart home appliances to prevent unauthorized visibility over primary personal devices.

LG has not yet issued an official statement regarding the technical specifics or the exact purpose behind this local network scanning capability, leaving security researchers and consumers awaiting further clarification from the manufacturer.

Source: Ars Technica

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