Vulnerability identifier: #VU81864

Vulnerability risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-45194

CWE-ID: CWE-276

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
MR-GM2
Hardware solutions / Routers & switches, VoIP, GSM, etc
MR-GM3-D
Hardware solutions / Routers & switches, VoIP, GSM, etc
MR-GM3-K
Hardware solutions / Routers & switches, VoIP, GSM, etc
MR-GM3-S
Hardware solutions / Routers & switches, VoIP, GSM, etc
MR-GM3-DK
Hardware solutions / Routers & switches, VoIP, GSM, etc
MR-GM3-DKS
Hardware solutions / Routers & switches, VoIP, GSM, etc
MR-GM3-M
Hardware solutions / Routers & switches, VoIP, GSM, etc
MR-GM3-W
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Micro Research

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to use of default credentials. A remote attacker on the local network can intercept the communication when the affected product performs the communication without changing the pre-shared key from the factory-default configuration.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MR-GM2: 3.00.03

MR-GM3-D: 1.03.45

MR-GM3-K: 1.03.45

MR-GM3-S: 1.03.45

MR-GM3-DK: 1.03.45

MR-GM3-DKS: 1.03.45

MR-GM3-M: 1.03.45

MR-GM3-W: 1.03.45

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External links
http://jvn.jp/en/vu/JVNVU99039725/
http://www.mrl.co.jp/20231005_security/

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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 local network (LAN).

Is there known malware, which exploits this vulnerability?

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