CVE-2024-33896

Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to code injection due to improper parameter blacklisting. This is fixed in version 21.2s10 and 22.1s3.

CVSS v3.1 NVD

7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

4.02% chance of exploitation in the next 30 days, 90th percentile

Published

2024-08-02

Updated

2025-11-04

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/52160

Security advisories

• https://hmsnetworks.blob.core.windows.net/nlw/docs/default-source/products/cybersecurity/…
• https://www.hms-networks.com/cyber-security
• https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway
• https://www.ewon.biz/products/cosy/ewon-cosy-wifi

References

• CVE Record
• NVD entry