Hackers exploit firmware flaw to heat supermarket fridges

What happened

Hackers exploit (a piece of code that turns a flaw into a way in) firmware flaw to heat supermarket fridges, according to iTnews. Home News Technology Security Hackers exploit firmware flaw to heat supermarket fridges By Leo Marchandon and Gabriel Stargardter Oct 13 2026 6:24AM Sparking fires and spoiling food. Hackers forced the temperature of fridges and freezers in many French supermarket ⁠fridges up ⁠to 50 degrees Celsius, causing fires and spoiling food at several hundred stores in a major cyberattack.

The Paris prosecutor's office said a "large-scale" attack was "affecting connected refrigerators in several major food retailers across France", leading to food losses and fires. Prime Minister Sebastien Lecornu has instructed France's National Cybersecurity Agency (ANSSI) to investigate, a person in his office ‌said.

France was coordinating with European counterparts because other countries could also be affected, the person ‌said, ‌adding that authorities were assessing whether other French companies were at risk. Carrefour said 80 of its supermarkets had been hit, while Monoprix said five percent of its stores were affected.