#VU69587 Command Injection in Moxa products - CVE-2022-41759

Vulnerability identifier: #VU69587

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-41759

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Moxa EDR-810
Server applications / SCADA systems
EDR-G902 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
EDR-G903 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
TN-4900
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Moxa

Description

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

The vulnerability exists due to improper input validation in the web service. A remote attacker can pass specially crafted data to the application and execute arbitrary commands on the target system.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Moxa EDR-810: 5.0 - 5.12

EDR-G902 Series: 5.0 - 5.7

EDR-G903 Series: 5.0 - 5.7

TN-4900: 1.0

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External links
https://www.moxa.com/en/support/product-support/security-advisory/multiple-routers-improper-input-validation-vulnerabilities

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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 Internet.

Is there known malware, which exploits this vulnerability?

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