#VU58145 OS Command Injection in Realtek Hardware solutions


Published: 2021-11-15

Vulnerability identifier: #VU58145

Vulnerability risk: Medium

CVSSv3.1: 8.1 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2019-19824

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
A3002RU
Hardware solutions / Routers & switches, VoIP, GSM, etc
A702R
Hardware solutions / Routers & switches, VoIP, GSM, etc
N301RT
Hardware solutions / Routers & switches, VoIP, GSM, etc
N302R
Hardware solutions / Routers & switches, VoIP, GSM, etc
N300RT
Hardware solutions / Routers & switches, VoIP, GSM, etc
N200RE
Hardware solutions / Routers & switches, VoIP, GSM, etc
N150RT
Hardware solutions / Routers & switches, VoIP, GSM, etc
N100RE
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Realtek

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 the sysCmd parameter to in boafrm/formSysCmd URI. A remote authenticated attacker 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

A3002RU: 2.0.0

A702R: 2.1.3

N301RT: 2.1.6

N302R: 3.4.0

N300RT: 3.4.0

N200RE: 4.0.0

N150RT: 3.4.0

N100RE: 3.4.0


External links
http://packetstormsecurity.com/files/156083/Realtek-SDK-Information-Disclosure-Code-Execution.html
http://seclists.org/fulldisclosure/2020/Jan/36
http://seclists.org/fulldisclosure/2020/Jan/38
http://sploit.tech


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability