From bleepingcomputer.com
Roughly 1,450 pfSense instances exposed online are vulnerable to command injection and cross-site scripting flaws that, if chained, could enable attackers to perform remote code execution on the appliance.
pfSense is a popular open-source firewall and router software that allows extensive customization and deployment flexibility. It is a cost-effective solution that accommodates specific needs, offering a wide range of features typically found in expensive commercial products.