CISA has published an advisory on an improper check for unusual or exceptional conditions vulnerabilities in Schneider Electric Magelis HMI Panels. All firmware versions of multiple products are affected. Successful exploitation of this vulnerability could allow a denial-of-service condition. Schneider Electric recommends users set up network segmentation and implement a firewall to block all unauthorized access to Ports 44818/TCP, 502/TCP, 6000/TCP, 6002/TCP, 8080/TCP, 8014/TCP, and 6001/TCPP. CISA also recommends a series of measures to mitigate the vulnerability. Read the advisory at CISA.