Multiple fixes in Mikrotik RouterOS

1) Security restrictions bypass

EUVDB-ID: #VU7644

Risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

Multiple issues have been fixed in Mikrotik RouterOS. Due to vendor's policy not report any security vulnerabilities in their products we treat every new version of Mikrotik RouterOS as a security patch.

Mitigation

Update to version 6.40.

Vulnerable software versions

MikroTik RouterOS: 6.39 - 6.39.2

External links

http://mikrotik.com/download/changelogs/current-release-tree

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.