CVE-2026-120280: Command Injection (CVSS 10)

Description

A vulnerability has been found in WAVLINK WN536AX6-A V260507. The impacted element is the function wireguard_cli_group handler of the file /protocol.csp of the component WireGuard. The manipulation of the argument group_id/group_name leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.

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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_group_id.md https://vuldb.com/cve/CVE-2026-120280 https://vuldb.com/submit/919789 https://vuldb.com/vuln/429624 https://vuldb.com/vuln/429624/cti

Frequently Asked Questions

What is CVE-2026-120280? +

A vulnerability has been found in WAVLINK WN536AX6-A V260507. The impacted element is the function wireguard_cli_group handler of the file /protocol.csp of the component WireGuard. The manipulation of the argument group_id/group_name leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public 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-2026-120280? +

CVE-2026-120280 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-2026-120280? +

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.

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