I'm wondering if anyone has a list of linking CFNetwork version numbers to the version of iOS? I've found the list for OSX CFNetwork versions but it's quite old.
I made this list from some of the devices I had around at the time. It's not complete but hopefully it is helpful for someone else.
Device OS CFNetwork Version
iPod Touch 2G 3.1.3 CFNetwork/459 Darwin/10.0.0d3
iPod Touch 3G 4.0 CFNetwork/485.2 Darwin/10.3.1
iPhone 3GS 4.1 CFNetwork/485.10.2 Darwin/?
iPhone 3G 4.2.1 CFNetwork/485.12.7 Darwin/10.4.0
iPhone 4 4.3.2 CFNetwork/485.13.9 Darwin/?
iPod Touch 4G 4.3.5 CFNetwork/485.13.9 Darwin/11.0.0
iPhone 3GS 5.0 CFNetwork/548.0.3 Darwin/11.0.0
iPhone 4S 5.0.1 CFNetwork/548.0.4 Darwin/11.0.0
iPhone 4S 5.1 CFNetwork/548.1.4 Darwin/11.0.0
iPhone 4S 6.0-b3 CFNetwork/602 Darwin/13.0.0
iPhone 4S 6.0 CFNetwork/609 Darwin/13.0.0
iPhone 4S 6.1.2 CFNetwork/609.1.4 Darwin/13.0.0
iPad 3 7.1 CFNetwork/672.1.13 Darwin/14.0.0