Main Vulnerability Database Vulnerabilities #VU152761

OS Command Injection in WEX-G300 and WSR-300HP - CVE-2026-86530

Published: September 29, 2026

Vulnerability identifier: #VU152761

CSH Severity: Low

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-86530

CWE-ID: CWE-78

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to improper input validation. A remote administrator can send a specially crafted HTTP request and execute arbitrary OS commands on the target system.

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

Affected software

WEX-G300
WSR-300HP

How to mitigate CVE-2026-86530

Install updates from vendor's website.

WEX-G300 - update to 1.71
WSR-300HP - update to 2.55

External References

https://jvn.jp/en/vu/JVNVU94863997/index.html

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