#VU31823 OS Command Injection in DSL-7740C


Published: 2020-07-24

Vulnerability identifier: #VU31823

Vulnerability risk: Low

CVSSv3.1: 7.1 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-12774

CWE-ID: CWE-78

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
DSL-7740C
Hardware solutions / Routers for home users

Vendor: D-Link

Description

The vulnerability allows a local user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A local user can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

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

Vulnerable software versions

DSL-7740C: DSL7740C.V6.TR069.20180723


External links
http://www.twcert.org.tw/tw/cp-132-3802-27204-1.html


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability