Vulnerability identifier: #VU25615

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-7007

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Moxa EDS-G516E
Hardware solutions / Routers & switches, VoIP, GSM, etc
Moxa EDS-510E
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Moxa

Description

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

The vulnerability exists due to a boundary error in the web setting page IEEE802.1x setting page. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code or cause a denial of service (DoS) condition 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 EDS-G516E: 5.2

Moxa EDS-510E: 5.2

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External links
http://ics-cert.us-cert.gov/advisories/icsa-20-056-04
http://www.moxa.com/en/support/support/security-advisory/eds-g516e-510e-ethernet-switches-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.