Vulnerability identifier: #VU18825

Vulnerability risk: Low

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

CVE-ID: CVE-2018-18852

CWE-ID: CWE-78

Exploitation vector: Local network

Exploit availability: Yes

Vulnerable software:
DT-300N
Hardware solutions / Routers for home users

Vendor: Cerio

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in Save.cgi script within the "ping" feature in web interface. A remote authenticated attacker can inject and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in execution of system commands with higher privileges.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

DT-300N: 1.1.6 - 1.1.12

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External links
http://www.fortiguard.com/zeroday/FG-VD-18-149

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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 local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.