People over exaggerate the risk. The real risk is you lacking the knowledge to realize that you need to generate a new 24 word seed, not use a pre-existing one. Seems like you already know that.

This is the official Ledger amazon store link: https://www.amazon.com/Ledger-Nano-Cryptocurrency-Hardware-Bluetooth/dp/B07M6R4NK3

So if you bought it from there you're fine. Second, the ledger live software verifies if the ledger is genuine when you plug it in.

Re-initialize the device when you get it, verify it with ledger live and then start adding your crypto.