CVE-2019-7439
cgi-bin/qcmap_web_cgi on JioFi 4G M2S 1.0.2 devices allows a DoS (Hang) via the mask POST parameter.
Date published : 2019-03-20
https://www.exploit-db.com/exploits/46752/
http://packetstormsecurity.com/files/152626/JioFi-4G-M2S-1.0.2-Denial-Of-Service.html