You should have been automatically sent a new router free if they said your current AOL-specific router no longer works.
Did they force you into renewing your contact with a new term? If so, that is misrepresentation and you can repudiate it.
1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU => 2010: Orange 16 Meg LLU => 2011: Orange 19 Meg WBC