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Security researcher had to jailbreak their car just to update the clock

Security researcher had to jailbreak their car just to update the clock

Toms Hardware
9 lis 2026, 10:49Hardware
Oryginał
1 min read

A security researcher had to use reverse engineering techniques to update the time in their car infotainment system after the original navigation SD card was missing.

Moorats' 2014 Renault Latitude wouldn't allow him to adjust the time because the original navigation map SD card was missing. When he bought the used car, the previous owner warned that the SD card would be required to change the time on the in-car display.

I didn't really find that believable

Rasmus Moorats, security researcher

Moorats believed it was a skill issue of the prior owner and, because the maps were chronically out of date, he decided he didn't need the SD card. This forced him to develop a custom Linux exploit to adjust the daylight saving time.

Poor Design

The incident underscores how basic time adjustments shouldn't require invasive tech surgery or specialized knowledge. Automotive manufacturers need to implement more user-friendly systems for routine maintenance tasks like updating time settings.

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