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38
Hackers can remotely destroy hundreds of thousands of solar systems across Europe, researchers find (www.upday.com)
submitted 18 hours ago by tardigrade@scribe.disroot.org to c/europe@feddit.org
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Security researchers from the Chaos Computer Club (CCC) have exposed critical vulnerabilities in Hoymiles solar inverters that allow attackers to remotely control, manipulate, or destroy hundreds of thousands of solar installations across Europe. The Chinese manufacturer holds roughly 20 percent of the European microinverter market, making the security flaw a widespread threat to balcony power plants and small rooftop solar systems.

...

During experimental tests, a modified handheld scanner located two dozen foreign inverters and their identification numbers within 20 minutes. In Augsburg, Hunz identified 42 hackable systems within just one hour. The radio signals can travel several hundred meters, making it feasible to mount attack equipment on drones for systematic scanning of residential areas.

Once attackers have the serial numbers, they can switch inverters on or off, alter power limits, and inject malware through an unprotected firmware update command. Tampering with sensitive network parameters or erasing bootloader memory could lead to fires, electrical accidents, or device destruction requiring physical repair.

...

The CCC informed Hoymiles [which is headquartered in China] about the vulnerability in February but received no initial response. Only after the German Federal Office for Information Security contacted the Chinese authority CNCERT did Hoymiles react at the end of June. The company announced a security update for mid-October.

...

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[–] tardigrade@scribe.disroot.org 6 points 17 hours ago* (last edited 17 hours ago)

Here is the article by CCC (in German)

Edit:

China Holds a Kill Switch to European Power Grids (May 2025)

Despite years of debate about supply chain resilience, more than 70 percent of world’s solar inverters come from Chinese manufacturers. The three biggest players – Huawei, Sungrow, and Ginlong Solis – are all Chinese. Here lies the first paradox: Huawei has been banned from a large portion of Europe’s 5G networks due to national security concerns, yet its technology is welcomed into the power grid.