A CWE-307 Improper Restriction of Excessive Authentication Attempts vulnerability exists in Easergy T300 (Firmware version 1.5.2 and older) which could allow an attacker to gain full access by brute force.
https://www.se.com/ww/en/download/document/SEVD-2020-161-04
https://www.se.com/ww/en/download/document/SEVD-2020-161-04
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7508