FYI, I just received this from the Security Focus mailing list:
If your Asus router is on the list, better update your firmware!
Affected models include the following ASUS routers:
RT-AC55U
RT-AC56R
RT-AC56S
RT-AC56U
RT-AC66U
RT-AC88U
RT-AC66R
RT-AC66U
RT-AC66W
RT-AC68W
RT-AC68P
RT-AC68R
RT-AC68U
RT-AC87R
RT-AC87U
RT-AC51U
RT-AC53U
RT-AC1900P
RT-AC3100
RT-AC3200
RT-AC5300
RT-N11P
RT-N12 (D1 version only)
RT-N12+
RT-N12E
RT-N18U
RT-N56U
RT-N66R
RT-N66U (B1 version only)
RT-N66W