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SunPower PVS6 Hard-Coded Credentials Vulnerability

🔒 CISA warns of a high-severity vulnerability in SunPower PVS6 inverters (CVE-2025-9696) caused by hard-coded credentials in the Bluetooth Low Energy (BLE) interface. An attacker within Bluetooth range can exploit published protocol details and fixed encryption parameters to gain full device access, and CISA reports a CVSS v4 base score of 9.4. Successful exploitation could allow firmware replacement, disabling power production, modifying grid or firewall settings, creating SSH tunnels, and manipulating attached devices. SunPower did not respond to coordination; CISA advises minimizing network exposure, isolating control systems, using secure remote access methods such as up-to-date VPNs, and applying targeted intrusion detection and ICS best practices.