R1-2401 Firmware security vulnerability

Can anyone confirm the backend version of SSH (libssh) that is utilized on the R1-2401 network switch contained on a Dell VRTX? I am being pinged on this issue: https://www.libssh.org/security/advisories/CVE-2018-10933.txt I have recently upgraded our R1-2401 to the latest firmware version, 2.0.0.74, which, interestingly states that between versions 2.0.0.71 and 2.0.0.74, that *an* SSL/SSH security vulnerability was patched. However... it looks like this vulnerability was after that date (the libssh patch). Is there any word on a further upgrade to the R1-2401 firmware that might address this security vulnerability? In the interim, is there an easy command I can issue to disable SSH connections to my R1-2401? And please let me know if there is a better spot to post this. Thank you!