Vulnerability identifier: #VU71790

Vulnerability risk: Medium

CVSSv3.1: 8.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-42139

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
DVW-W02W2-E2
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Delta Electronics, Inc.

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 web server. A remote 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
Install updates from vendor's website.

Vulnerable software versions

DVW-W02W2-E2: 2.42

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External links
http://cyberdanube.com/en/en-authenticated-command-injection-in-delta-electronics-dvw-w02w2-e2/
http://www.cisa.gov/uscert/ics/advisories/icsa-23-033-04

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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. However, proof of concept for this vulnerability is available.