Description
A compromised HMS Networks Cosy+ device could be used to request a Certificate Signing Request from Talk2m for another device, resulting in an availability issue. The issue was patched on the Talk2m production server on April 18, 2024.
References
- https://www.ewon.biz/products/cosy/ewon-cosy-wifi
- https://www.hms-networks.com/cyber-security
- https://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
- https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/