Strangely that is what the modem is reporting:
Max: Upstream rate = 25475 Kbps, Downstream rate = 52528 Kbps
Bearer: 0, Upstream rate = 19999 Kbps, Downstream rate = 70932 Kbps
The SNRM is close to nominal, so I guess that it's an error in the modem firmware (HG612).