There is a Security Advisory on this topic.
Due to an error in the software interface to the secure element chip on the cameras, the chip can be permanently damaged. Leading to an unusable camera when enabling the Video Authentication options (signing of the video stream).
The default setting for this option is "off" and is protected from this error. Watermarking is a pure checksum that does not involve the Secure Element and thus does not need mitigation. This error is only applicable if set to one of the other
3 Video Authentication settings , MD5, SHA-1 or SHA-256.
If the customer needs to activate the Stream security (Video Authentication) option.
1. Look at the image above,
2. Option #1:
3. Option #2