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The Canon PIXMA TR4550 stores sensitive data, such as the SSID and the Wi-Fi pre-shared key (PSK), unencrypted in its persistent storage (EEPROM). Resetting the product to factory settings does not securely delete this sensitive information. Versions 1.020 and 1.080 are affected.

The Canon PIXMA TR4550 stores sensitive data, such as the SSID and the Wi-Fi pre-shared key (PSK), unencrypted in its persistent storage (EEPROM). Resetting the product to factory settings does not securely delete this sensitive information. Versions 1.020 and 1.080 are affected.