Security vulnerability: Update your Pixel and deactivate Wi-Fi calling and VoLTE on Samsung
A security gap cannot yet be closed with an update on all smartphones. For Samsung devices, you should adjust the settings to be on the safe side.
Disable Wi-Fi calling and VoLTE
According to Project Zero's analysis, it is enough for hackers to know the phone number of a device to be able to install malware via the vulnerability. This would not be visible to smartphone users. It is not known whether the vulnerability has already been exploited.
Project Zero found and reported the vulnerability in the Exynos modem chips back in November 2022. Google closed it with the security update for Pixel devices in March 2023. There are still no suitable updates from other manufacturers. However, Project Zero considers the security vulnerability to be so relevant that they are already publicising it, contrary to customary practice.
Project Zero also provides advice on how to protect your device without an update. As a temporary security measure until a security patch is released, you should deactivate Wi-Fi calling - sometimes also referred to as WLAN telephony - and Voice over LTE (VoLTE) in the SIM card settings on the affected devices.
These devices are affected
Cover photo: Jan Johannsen
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