Sweden is reported to be one of the affected countries, along with the US, Great Britain, Colombia, Brazil, Italy and Portugal.
The data leak comes at a time when crypto owners are increasingly becoming targets of both physical and digital attacks, as criminals try to gain access to their assets, the business newspaper writes.
According to Trezor, this affects customers who received their devices between May 10 and August 8.
Trezor is one of the world's best-known brands of crypto wallets, which are used to store so-called private keys, passwords that provide control over cryptocurrency.
