An authentication bypass vulnerability exists in the Authentication functionality of Weston Embedded uC-FTPs v 1.98.00. A specially crafted set of network packets can lead to authentication bypass and denial of service. An attacker can send a sequence of unauthenticated packets to trigger this vulnerability.
https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1680
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1680