Forescout Vedere Labs found 46 vulnerabilities in solar inverters from Sungrow, Growatt, and SMA. Exploiting these flaws could disrupt power grids and compromise user privacy. Over 80% of solar vulnerabilities in the last three years were high or critical, with 30% allowing full system takeover.
Security Risks in Solar Power Systems: Grid Stability at Risk
Exploiting vulnerabilities in solar inverters could lead to large-scale grid disruptions. Attackers might hijack Growatt inverters via cloud-based takeovers or compromise Sungrow devices through insecure communication dongles.
Coordinated cyberattacks could trigger grid shutdowns, affecting hospitals, businesses, and critical infrastructure.
While vendors have patched these issues, Forescout stresses the need for stricter procurement policies, network segmentation, and continuous monitoring. With over half of global solar inverter (53%) and storage providers (58%) based in China, concerns over foreign-made components in critical infrastructure persist.
The report urges utilities and regulators to address these security gaps to prevent potential nation-state threats. As renewable energy systems become essential to global power grids, prioritizing cybersecurity is more critical than ever.
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