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THE DIGITAL ALCHEMIST
SecurityIMPACT 88

LG Calls It Advertising. The Packets Say Otherwise.

A packet-capture investigation proved LG's Smart TVs scan your network, record audio in standby, and ship the data to an ad platform. The consensus calls this a privacy controversy. It is a deployed surveillance infrastructure problem — and LG has every incentive to leave it running.

2026-09-085 MIN READ#LG · #Smart TV · #webOS · #ACR · #Surveillance · #Network Security · #Data Exfiltration · #RCE · #Privacy · #Ad Tech
The Digital Alchemist
The Digital Alchemist

The TV in your conference room, hotel suite, or apartment lobby just scanned every device on your network. Your phone. Your printer. Your VPN endpoint. It logged nearby Wi-Fi networks, their signal strength, and channel numbers. While the screen was dark and you thought it was off, it kept the microphone running and stored what it heard. When it got internet back, it uploaded everything.

This is not theoretical. A 135-minute investigation from Gamers Nexus, Level1Techs, and independent security researchers confirmed it last week using Wireshark, firmware decompilation, rooted test units, and system log inspection.

The forming narrative treats this as a privacy controversy: another connected device harvesting too much, a setting to disable, a patch to await. That framing is wrong, and believing it will cost you.

This Is the Business Model, Not a Bug

LG Ad Solutions reaches 49 million US smart TVs and 216 million globally, advertising access to 363 million addressable secondary devices. Marketing language to advertisers states "we know who's in the LG household" and promises campaign extension beyond the television to other screens.

That is not a policy violation. It is a product pitch. The network scanning, device fingerprinting, audio collection feed a revenue line that generated $270 million annually by late 2022 at a $1 billion valuation. LG did not build this by accident and will not remove it voluntarily.

The surveillance is the product. The TV is the distribution mechanism.

webOS repeatedly scanned local networks to identify unrelated devices: smartphones, smartwatches, connected equipment. It collected internal IP addresses, nearby Wi-Fi network information, signal strength, and geolocation data.

Standby mode was the most significant finding. In controlled tests, built-in microphones continued recording and storing clear audio while the screen was dark and appeared off. When disconnected from the network, audio and text files continued accumulating in local storage. Once internet restored, encrypted data uploaded to company servers. Voice prompts logged in plain text.

The Digital Alchemist
The Digital Alchemist
The Scale of LG's Surveillance Footprint
216,000,000LG Smart TVs globally363,000,000US addressablesecondary devices vianetwork scanning270,000,000LG Ads annual revenue(2022)
Source: LG Ad Solutions own marketing claims, as reported by Quest Review Center and Notebookcheck
What One LG TV Mapped on a Test Network
38devices identifiedUnrelated devices identified by single TV0devices identifiedDevices needed for TV to function−100%
Source: Gamers Nexus / Level1Techs packet-capture investigation, via peq42.com

The Opt-Out Is a Fiction

Data collection routines operate automatically out of the box, meaning settings toggles for ACR or voice assistants provide no complete protection. There is no permission to revoke because it was never framed as one. It is firmware behavior.

Section 1201 of the Digital Millennium Copyright Act criminalizes circumvention of digital locks, preventing consumers from removing or disabling the surveillance software.

LG's terms of service put legal exposure squarely on you: "You acknowledge and agree that it is your sole responsibility to obtain all necessary consents from any third parties whose voices may be captured by the Product and to notify household members and guests that their voices may be captured and processed."

The device collects audio. You warn everyone in earshot. LG disclaims all liability.

Layer on the security exposure. webOS carries documented remote code execution vulnerabilities with zero-days in responsible disclosure. A compromised television could provide an attacker a foothold on a home or business network, access to audio, or a route to probe other devices.

The people running this operation deserve note. LG Ad Solutions' president of global ad sales previously ran Comscore, which the SEC charged in 2019 with inflating revenue by roughly $50 million. He personally paid a $700,000 penalty, repaid $2.1 million, and accepted a 10-year ban from running a public company. Nothing prevented him from running a private one.

If your endpoint detection treats the living room differently from the server closet, you have a blind spot 216 million devices wide.

Physical disconnection is the only mitigation with teeth. For a hotel chain, corporate campus, or multifamily operator with LG sets on every floor, that is a procurement crisis, not a settings menu.

What to watch: Whether class-action discovery names LG's internal communications about ACR scope; whether a carrier or ISP blocks the exfiltration traffic at the edge; whether LG's forthcoming Alphonso IPO faces disclosure scrutiny over this investigation; whether any regulator in a GDPR jurisdiction opens formal inquiry before the news cycle moves on; and how quickly enterprise procurement teams pull LG devices and at what cost.

Sources
  1. LG Smart TVs Found Scanning Home Networks for Nearby Devices
  2. LG TV Flaws Could Let Attackers Listen In, Even in Standby Mode
  3. LG Smart TVs Caught Scanning Networks and Logging Audio in Standby
  4. LG Smart TVs Caught Logging Audio With Screen Off and Snooping on Local Devices
  5. Your LG TV Might Still Be Listening to You — Even When It Looks Like It's Off
  6. LG Smart TVs Are Spy Devices
  7. LG Smart TVs Under Scrutiny for Data Collection and Security Vulnerabilities
  8. LG Smart TVs Caught Recording Audio in Standby and Scanning Your Network
  9. Alphonso's Founders Win Their Three-Year Legal Battle Against LG Electronics
  10. Your LG TV may be listening: Researchers uncover audio recording and network scanning
  11. LG Smart TVs Caught Listening With the Screen Off and Snooping Around Your Wi-Fi
  12. LG Smart TVs Caught Scanning Networks and Logging Audio in Standby | Cryptika Cybersecurity
  13. LG Smart TVs Caught Recording Audio in Standby and Scanning Your Network - Gadget Review
  14. LG Smart Television Network Security Raises Privacy Concerns
  15. 216 millions de téléviseurs sous surveillance — Le problème des Smart TV LG [vidéo] | GeekNews
  16. 216M Spy TVs – The LG Smart TV Problem [video] | Hacker News
  17. Gamer Nexus - 216,000,000 Spy TVs | The LG Smart TV Problem | ResetEra
  18. LG faces renewed privacy backlash over smart TV data collection and monitor practices - Quest Review Center
  19. LG Smart TVs Caught Snooping on Wi-Fi Networks and Audio in Standby Mode - Time News
  20. Terms | LG Ad Solutions
  21. Nexxen International - Alphonso Inc Settlement Agreement & Partnership | Nexxen International
  22. Alphonso founders sue LG Electronics over $1.5 billion advertising tech takeover
  23. Alphonso’s Legal Fight With LG Isn't Over Yet – And Now $4.5 Billion Is At Stake | AdExchanger
  24. LG Loses Again Over Firing Ad Tech Startup Alphonso’s Founders
  25. Alphonso Shareholders Win Their Suit Against LG Electronics Over Corporate Board Drama | AdExchanger
  26. Vulnerabilities in LG TVs: Audio Recording and Security Issues – Zamin.uz, 07.09.2026
  27. LG Smart TV Research Alleges Standby Audio Collection and webOS RCE Flaws | Mallory
  28. Investigation Reveals Security Vulnerabilities in LG Smart TVs - SSBCrack News
  29. LG Smart TVs Spy on Users by Listening and Scanning Wi-Fi Networks - Memesita
  30. Researchers discover hidden recording vulnerability in LG TVs - Aroged
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