To prevent similar exploits in the future:

: Version 8.48 does not support the latest strict key exchange features, making it theoretically more vulnerable to advanced cryptographic attacks compared to version 9.xx. Bitvise SSH Changes in Version 8.48 According to the Bitvise SSH Server 8.xx History , version 8.48 was primarily a maintenance release:

: The attack vector typically involves an attacker sending specially crafted commands or data to the WinSSHD service. If the service does not properly validate or handle this input, it could lead to the execution of malicious code.