Has Draytek responded to this issue yet?
http://blog.sec-consult.com/2015/11/house-of-keys-industry-wide-https.html
+
https://www.kb.cert.org/vuls/id/BLUU-A2NQYC
Subject: C=TW, ST=HsinChu, L=HuKou, O=DrayTek Corp., OU=DrayTek Support, CN=Vigor Router
Issuer: C=TW, ST=HsinChu, L=HuKou, O=DrayTek Corp., OU=DrayTek Support, CN=Vigor Router
Fingerprint: 58aea24b5a84d4c04d6423643216b73465976e2e
Certificate found in:
DrayTek: VigorAP 710, VigorAP 810, VigorAP 910C, VigorFly 210
Total Hosts: 101006
How will this issue be resolved?