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    <title>Most recent comments.</title>
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      <title>LG TV discovery traffic and CVE-2026-13230 — a possible interaction with CVE-2026-9770?</title>
      <link>https://vulnerability.circl.lu/comment/3f4a59e6-61ef-4b4c-bb57-07f721f9db14</link>
      <description>There is an interesting connection between this vulnerability and CVE-2026-13230, which affects the same TP-Link Kasa EC70/EC71 devices.

Recent research indicates that LG TVs send UDP/9999 discovery broadcasts approximately every 25 seconds. UDP/9999 is also used by the Kasa local discovery mechanism affected by CVE-2026-13230, which can disclose precise GPS coordinates without authentication.

This suggests that, on a local network containing both an LG TV and an unpatched Kasa EC70/EC71, the TV's periodic discovery traffic may trigger the vulnerable Kasa discovery response and expose the camera's stored geolocation information.

The two issues are distinct: CVE-2026-9770 concerns a hardcoded cryptographic private key, while CVE-2026-13230 concerns sensitive information disclosure through the local discovery mechanism. However, the shared UDP/9999 discovery traffic is worth investigating as a potential interaction between the two vulnerabilities.

Reference: [https://github.com/BadChemical/IoT-Vulnerability-Research-Public/blob/main/TP-Link_Kasa_EC71/Kasa_EC71.md](https://github.com/BadChemical/IoT-Vulnerability-Research-Public/blob/main/TP-Link_Kasa_EC71/Kasa_EC71.md)</description>
      <content:encoded>There is an interesting connection between this vulnerability and CVE-2026-13230, which affects the same TP-Link Kasa EC70/EC71 devices.

Recent research indicates that LG TVs send UDP/9999 discovery broadcasts approximately every 25 seconds. UDP/9999 is also used by the Kasa local discovery mechanism affected by CVE-2026-13230, which can disclose precise GPS coordinates without authentication.

This suggests that, on a local network containing both an LG TV and an unpatched Kasa EC70/EC71, the TV's periodic discovery traffic may trigger the vulnerable Kasa discovery response and expose the camera's stored geolocation information.

The two issues are distinct: CVE-2026-9770 concerns a hardcoded cryptographic private key, while CVE-2026-13230 concerns sensitive information disclosure through the local discovery mechanism. However, the shared UDP/9999 discovery traffic is worth investigating as a potential interaction between the two vulnerabilities.

Reference: [https://github.com/BadChemical/IoT-Vulnerability-Research-Public/blob/main/TP-Link_Kasa_EC71/Kasa_EC71.md](https://github.com/BadChemical/IoT-Vulnerability-Research-Public/blob/main/TP-Link_Kasa_EC71/Kasa_EC71.md)</content:encoded>
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      <pubDate>Tue, 08 Sep 2026 21:30:10 +0000</pubDate>
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