It doesn’t matter if a CMB credit card is overdue for two days, because CMB has a grace period, which is as follows:

The repayment grace period is 3 natural days after the due payment date.

The expiration date for recorded credit card transactions in each bill is called the "bill date". The due date for repayment is generally around the 18th day after the bill date (as shown on the bill).

Extended information:

Interest-free period of China Merchants Bank:

The interest-free period means that the cardholder repays all dues before the due repayment date (inclusive) The repayment amount refers to the period between the bank accounting date and the due repayment date for consumer transactions that can enjoy interest-free treatment. If the cardholder has insufficient repayment in the current period, and the unpaid amount does not exceed 10 yuan or 1 US dollar, no additional interest and liquidated damages will be charged for consumer transactions that can enjoy interest-free treatment.

The maximum interest-free repayment period is 50 days, unless otherwise agreed between the card issuer and the applicant. However, the maximum interest-free repayment period shall not exceed the maximum interest-free repayment period required by relevant laws and regulations. Interest repayment period.

Reference materials:

China Merchants Bank-Interest-free Period/Revolving Credit/Interest

China Merchants Bank-Bill Date and Repayment Due Date