Vulnerability identifier: #VU24728

Vulnerability risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-287

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
MikroTik RouterOS
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: MikroTik

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error when loading default router configuration for routers with default admin password and Wireless Wire enabled. A remote attacker on the local network can login with admin account and empty password before the default configuration is fully loaded.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MikroTik RouterOS: 6.45 - 6.45.7, 6.46 - 6.46.1

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External links
http://mikrotik.com/download/changelogs/long-term-release-tree#6.45.8

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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