CVE-2026-120279: Command Injection (CVSS 10)

Description

A flaw has been found in WAVLINK WN536AX6-A V260507. The affected element is an unknown function of the file /protocol.csp of the component openvpn_cli Handler. Executing a manipulation of the argument file_id can lead to os command injection. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.

Is your site exposed to CVE-2026-120279?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

10.0

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Weakness Type (CWE)

CWE-77 CWE-77

CWE-78 OS Command Injection

References

Other References

https://github.com/pipiyyb/cve/blob/main/WAVLINK%20WN536AX6-A/WN536AX6-A_file_id.md https://vuldb.com/cve/CVE-2026-120279 https://vuldb.com/submit/919788 https://vuldb.com/vuln/429623 https://vuldb.com/vuln/429623/cti

Frequently Asked Questions

What is CVE-2026-120279? +

A flaw has been found in WAVLINK WN536AX6-A V260507. The affected element is an unknown function of the file /protocol.csp of the component openvpn_cli Handler. Executing a manipulation of the argument file_id can lead to os command injection. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure. It has a CVSS v3.1 base score of 10.0 (CRITICAL).

How severe is CVE-2026-120279? +

CVE-2026-120279 has a CVSS v3.1 score of 10.0 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

How do I check if I'm vulnerable to CVE-2026-120279? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-42258

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, symbol arguments …

CVE-2024-52011

launch-editor allows users to open files with line numbers in editor from Node.js. Prior to version 2.9.0, due to the …

CVE-2023-5878

Honeywell OneWireless Wireless Device Manager (WDM) for the following versions R310.x, R320.x, R321.x, R322.1, R322.2, R323.x, R330.1 contains a command …

CVE-2025-46735

Terraform WinDNS Provider allows users to manage their Windows DNS server resources through Terraform. A security issue has been found …

CVE-2025-4009

The Evertz SDVN 3080ipx-10G is a High Bandwidth Ethernet Switching Fabric for Video Application. This device exposes a web management …

CVE-2024-4999

A vulnerability in the web-based management interface of multiple Ligowave devices could allow an authenticated remote attacker to execute arbitrary …

CVE-2026-120279