Insecure Permissions vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are susceptible to leaking information through cookies. This is fixed in version 21.2s10 and 22.1s3
blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/
hmsnetworks.blob.core.windows.net/nlw/docs/default-source/products/cybersecurity/security-advisory/hms-security-advisory-2024-07-29-001--ewon-several-cosy--vulnerabilities.pdf
www.ewon.biz/products/cosy/ewon-cosy-wifi
www.hms-networks.com/cyber-security