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Security vulnerabilities in inverters discovered once again

Energate-Messenger • April 8, 2026

Kassel (energate) - The Kassel-based IT security company Jakkaru has publicised a critical security vulnerability in the EZ1-M inverter from the US manufacturer AP Systems. The supplier of balcony power systems Anker is also affected. It receives the inverters as a white-labelled product from AP Systems and sells them on as the Anker Solix MI80. According to Jakkaru, at least 100,000 devices are affected by the leak. …

I grew up between lignite and hard coal and now live in Aachen. When travelling through the Rhenish lignite mining area, I experience the changes in the energy industry at first hand - numerous wind turbines are being built between the huge - and quite fascinating - lignite excavators.

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Critical Security Vulnerabilities Found in AP Systems Inverters Jakkaru, an IT security firm based in Kassel, has disclosed a critical security vulnerability affecting the EZ1-M inverter manufactured by AP Systems. The Anker Solix MI80, a white-labelled version of the inverter, is also impacted. At least 100,000 devices are at risk due to this security leak. The nature of the vulnerability has not been detailed in the articles, but the scale of the affected devices indicates a significant potential for exploitation. As of now, there are no specific patches or remediation steps provided. Users of these inverters are advised to remain vigilant. The situation reflects ongoing challenges in securing energy infrastructure against cyber threats. 2 sources 60

Security vulnerabilities in inverters discovered once again

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