The exotic mortgage products (e.g. reverse ARMs) have essentially disappeared, people's homes are well capitalized, lending standards are much higher than they were, there's very low levels of home equity debt, overall debt payments as a percent of household income are at very low levels.
The people waiting for a housing crash are going to wait a long time. This one chart sums it up well:
https://fred.stlouisfed.org/series/MDSP
Mortgage debt service payments as a percent of disposable income are near all-time lows and at roughly 1/2 the number of the GFC peak. Since the vast majority of home loans are fixed -- what's the mechanism for rate hikes to cause a housing crash?