Description
Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 use a unique key to encrypt the configuration parameters. This is fixed in version 21.2s10 and 22.1s3, the key is now unique per device.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
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/ ↗
- http://seclists.org/fulldisclosure/2024/Aug/22 ↗