Vuln ID: CVE-2021-31251

Published:  2021-06-04  21:15:07Z

Description: An authentication bypass in telnet server in BF-430 and BF431 232/422 TCP/IP Converter, BF-450M and SEMAC from CHIYU Technology Inc allows obtaining a privileged connection with the target device by supplying a specially malformed request and an attacker may force the remote telnet server to believe that the user has already authenticated.

Source: NVD.NIST.GOV