Honda susceptible to replay attack.

[Russell Holton]

Rolling codes was something introduced 30+ years ago to prevent this. Honda quit using it. And now having been found out, has no plans to fix it.

"Vehicles impacted by this bug primarily include the 2016-2020 Honda Civic (LX, EX, EX-L, Touring, Si, Type R) cars."

Honda bug lets a hacker unlock and start your car via replay attack