Heartbleed affects some Cisco and Juniper Routers

Bokeh

Now this is interesting
Heartbleed Affects Routers, Too

colemic

Cisco still has most of their products listed as 'under investigation.' Only one IOS (IOS XE) listed.

ccnxjr

Seems to me that if you're running the J-TAC recommended version of JunOS you're safe.

Might have to do some patchwork if you're using a different version, or an SSL VPN.

Qord

There's a partial vendor list here:
https://isc.sans.edu/forums/diary/Heartbleed+vendor+notifications/17929