Vietnam is part of ASEAN (association of south east asian nations). No visa need for travel within ASEAN for asean nationals, Malaysia is part of ASEAN of course as with its neighboring countries
As a Malaysian, you are allowed to stay in Vietnam for up to 30 days and are exempt from visa requirements, as long as you have an ordinary valid passport.
It is the same for citizens of Thailand, Philippines, Singapore, Indonesia and Laos.
It is the same for citizens of Thailand, Philippines, Singapore, Indonesia and Laos.