MikroTik Security Advisory
Please note that MikroTik has issued an urgent warning regarding the discovery of malware on devices, their statement was released as follows:
“Cisco informed us on May 22nd of 2018, that a malicious tool was found on several manufacturer devices, including three devices made by MikroTik. We are highly certain that this malware was installed on these devices through a vulnerability in MikroTik RouterOS software, which was already patched by MikroTik in March 2017. Simply upgrading RouterOS software deletes the malware, any other 3rd party files and closes the vulnerability. Let us know if you need more details. Upgrading RouterOS is done by a few clicks and takes only a minute.”
More information can be found here: https://forum.mikrotik.com/viewtopic.php?f=21&t=134776
Please upgrade your device software as soon as possible.
To be safe against any kinds of attacks, make sure you secure access to your devices: https://wiki.mikrotik.com/wiki/Manual:Securing_Your_Router