This indicates an attack attempt to exploit a Security Bypass vulnerability in Petwant or Petalk AI.
The vulnerability is due to hard coded default credentials inside the vulnerable application. A remote attacker can exploit this to authenticate with the application and gain administrator level privileges on the target system.
Petwant PF-103 firmware 126.96.36.199 and Petalk AI 188.8.131.52
System Compromise: Remote attackers can gain control of vulnerable systems.
Currently we are unaware of any vendor supplied patch for this issue.