The following firmware versions installed on several devices are vulnerable due to a vulnerability in the CODESYS Control V3 web server.
An unauthenticated attacker would be able to send crafted requests to cause the CODESYS Gateway Server V2 to allocate excessive memory or consume all available TCP client connections. Besides, passwords are insufficiently checked during login.
All versions of the following CODESYS V2 product prior version V2.3.9.38 are affected: