Multiple vulnerabilities in ELECOM wireless LAN routers



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2025-36519
CVE-2025-41427
CWE-ID CWE-434
CWE-78
Exploitation vector Network
Public exploit N/A
Vulnerable software
 WRC-2533GST2
Hardware solutions / Routers & switches, VoIP, GSM, etc

WRC-1167GST2
Hardware solutions / Routers & switches, VoIP, GSM, etc

WRC-X3000GS
Hardware solutions / Routers & switches, VoIP, GSM, etc

WRC-X3000GSA
Hardware solutions / Routers & switches, VoIP, GSM, etc

WRC-X3000GSN
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor ELECOM CO. ,LTD.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Arbitrary file upload

EUVDB-ID: #VU111861

Risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-36519

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload. A remote user can upload a malicious file and execute it on the server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WRC-2533GST2: - - 1.31

WRC-1167GST2: - - 1.34

CPE2.3 External links

https://jvn.jp/en/jp/JVN39435597/index.html


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

2) OS Command Injection

EUVDB-ID: #VU111862

Risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-41427

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

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 Connection Diagnostics page. 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

WRC-X3000GS: - - 1.0.34

WRC-X3000GSA: - - 1.0.34

WRC-X3000GSN: - - 1.0.9

CPE2.3 External links

https://jvn.jp/en/jp/JVN39435597/index.html


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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