Sure, so detect that as the problem.
That's not true of rooted Android devices though, most Android devices allow you to enable a developer mode which will allow you to replace the ROM entirely if you like with no need to exploit anything.
That's not true of rooted Android devices though, most Android devices allow you to enable a developer mode which will allow you to replace the ROM entirely if you like with no need to exploit anything.
By definition a jailbroken device is vulnerable to something as that is how it was jailbroken in the first place. Having the most up to date version is usually the safest thing for a user.