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CVE-2026-120280— WAVLINK WN536AX6-A WireGuard protocol.csp wireguard_cli_group handler os command injection

Quick assessment

Affected

WAVLINK WN536AX6-A

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 WAVLINK WN536AX6-A 设备（固件版本 V260507）中发现一个安全漏洞。受影响组件为 WireGuard，具体位于文件中的处理函数。攻击者可通过操纵或参数，引发操作系统命令注入漏洞。该攻击可远程发起。目前利用方法已向公众披露，可能被用于实际攻击。厂商已在漏洞披露初期收到通知。

CVSS 10.0 · Critical Updated Nov 02, 2026

Possible ATT&CK Techniques 2 AI

T1059.004 · Unix Shell T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

WAVLINK WN536AX6-A WireGuard protocol.csp wireguard_cli_group handler os command injection

Source: CVE Program / CVE List V5

Vulnerability 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.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

OS命令中使用的特殊元素转义处理不恰当(OS命令注入)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
WAVLINK	WN536AX6-A	V260507	`cpe:2.3:a:wavlink:wn536ax6-a::::::::`

II. Public POCs for CVE-2026-120280

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-120280

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Vendor Advisories for CVE-2026-120280 (1)

CVE-2026-120280 | WAVLINK WN536AX6-A V260507 WireGuard /protocol.csp wireguard_cli_group handler group_id/group_name os command injection vdb-entry technical-description

Other References for CVE-2026-120280 (4)

https://github.com/pipiyyb/cve/blob/main/WAVLINK%20WN536AX6-A/WN536AX6-A_group_id.md exploit
https://vuldb.com/cve/CVE-2026-120280 third-party-advisory
https://vuldb.com/vuln/429624/cti signature permissions-required
https://vuldb.com/submit/919789 third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-120280

Same Patch Batch · WAVLINK · 2026-11-02 · 4 CVEs total

CVE-2026-120281	10.0 CRITICAL	WAVLINK WN536AX6-A OpenVPN protocol.csp strcpy stack-based overflow
CVE-2026-120279	10.0 CRITICAL	WAVLINK WN536AX6-A openvpn_cli protocol.csp os command injection
CVE-2026-120282	9.9 CRITICAL	WAVLINK WN536AX6-A protocol.csp host_black os command injection

IV. Related Vulnerabilities

Same product: WN536AX6-A

Same vendor: WAVLINK

Same weakness: CWE-78