LG Smart TVs Vulnerable to Network Scanning and Audio Logging in Standby

Key Takeaways

• LG OLED smart televisions are reportedly conducting network scans and recording audio even when in standby mode.
• The gathered data, including local network topology, Wi-Fi environment details, and transcribed audio, is allegedly stored locally and uploaded to LG’s advertising infrastructure upon reconnecting to the internet.
• This behavior appears to contradict LG’s public statements regarding data collection and extends to professional environments using LG panels.
• Immediate mitigation steps include disconnecting TVs from Wi-Fi, disabling built-in microphones, and reviewing privacy settings.

Recent findings from a collaborative investigation suggest that certain LG OLED smart televisions may be actively collecting sensitive data, including network information and microphone audio, even when seemingly powered down in standby mode. This data is then reportedly transmitted to LG’s advertising platforms once an internet connection is re-established.

Deep Dive into Data Collection

The investigation, spearheaded by Gamers Nexus in conjunction with Level1Techs and independent security researchers, revealed that specific LG OLED models, including the G5 flagship, were observed performing extensive data collection activities. Using Wireshark for packet capture, the research team, led by Gamers Nexus founder Steve Burke, documented TVs scanning local networks for devices like smartphones and smartwatches that were not paired with the television or involved in the testing process.

Beyond simple device discovery, the televisions reportedly logged detailed information about nearby Wi-Fi networks, including their SSIDs, signal strengths, and channels. This aggregation of data could potentially allow for precise mapping of a household’s connected environment and location-adjacent triangulation.

Allegations of Standby Audio Recording

Perhaps the most concerning allegation involves audio recording. Researchers claim the LG TVs captured discernible microphone audio while the screens were off. This activity reportedly persisted even when the Ethernet cable was physically disconnected from the device. According to the findings, this recorded audio was stored locally on the television and automatically uploaded to LG’s advertising infrastructure, specifically through LG Ad Solutions, as soon as network connectivity was restored.

This contradicts previous public statements from LG, which asserted that its televisions “do not collect, record, or store ambient conversations.” The Gamers Nexus team’s testing, detailed in their video investigation, purports to show on-device transcription of spoken prompts into plain-text logs, rather than merely raw ambient recordings. This distinction is significant for consumers, indicating that even if LG’s marketing language about “ambient conversations” is technically precise, the underlying voice-assistant pipeline still appears to capture, process, and retain speech data locally before it leaves the device.

Broader Implications and Content Recognition

The observed data collection is not limited to typical home entertainment scenarios. Researchers noted that Automatic Content Recognition (ACR) functionality continued to operate even when an LG panel was utilized solely as a passive HDMI monitor. This raises significant privacy concerns for LG displays deployed in sensitive environments such as hospitals, hotel rooms, and corporate boardrooms, where private conversations or confidential information could inadvertently be swept into the data collection pipeline.

One clinician reviewing these findings reportedly expressed apprehension regarding the implications for patient confidentiality in medical settings where LG panels might be present during sensitive discussions. LG Ad Solutions openly promotes ACR as a mechanism to provide advertisers with “glass-level” viewing data across all inputs, a program that has reportedly scaled to approximately 33 million opted-in sets in the United States, further expanded through collaborations with Nielsen for national audience measurement.

What You Should Do

• Disconnect from Wi-Fi: Consider disconnecting your smart TV from your home Wi-Fi network entirely. Instead, route all streaming content through external devices like a Roku, Apple TV, or Fire Stick, which limits the television’s internal software from accessing the internet.
• Disable Microphones: If your LG smart TV offers the option, disable the built-in microphone within the television’s settings.
• Review Privacy Settings: Periodically check your TV’s privacy dashboards and settings for any opt-out toggles related to data collection, ACR, or personalized advertising, and adjust them to your comfort level.

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