The Washington Post and CNN wouldn't be trying to get out ahead of the Hunter Biden scandals if the evidence wasn't real. They've sat on these things for years.
What do you mean "They've sat on these things for years." Both CNN and Washington Post have provided extension coverage of the Hunter laptop situation for a long period of time. A simple Google search will demonstrate this.
For example -- let's look back a year ago...
Hunter Biden dodges questions on laptop seized by FBI
https://www.cnn.com/2021/04/02/politics/hunter-biden-laptop/index.html
Since the Hunter laptop situation after a Congressional member submitted to supposed contents into the Congressional record -- the media is covering the laptop situation in the news again.