Vulnerability identifier: #VU14525

Vulnerability risk: Medium

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1157

CWE-ID: CWE-399

Exploitation vector: 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 perform a denial of service (DoS) attack.

The vulnerability exists due to an error when processing requests within the HTTP server. A remote authenticated attacker can send specially crafted requests to the affected device and crash the HTTP server or reload the router.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MikroTik RouterOS: 6.42.1 - 6.42.6, 6.40.1 - 6.40.8, 6.41.1 - 6.41.4

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External links
http://mikrotik.com/download/changelogs

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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