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CVE-2026-120282— WAVLINK WN536AX6-A protocol.csp host_black 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.

WAVLINK WN536AX6-A 固件版本 V260507 被发现存在安全漏洞。该漏洞位于文件中的函数，攻击者通过操纵参数可触发操作系统命令注入。此漏洞支持远程利用，且利用方法已公开，可能被恶意利用。厂商已在漏洞披露初期收到相关通知。

CVSS 9.9 · Critical Updated Nov 02, 2026

Possible ATT&CK Techniques 2 AI

T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

WAVLINK WN536AX6-A protocol.csp host_black os command injection

Source: CVE Program / CVE List V5

Vulnerability Description

A vulnerability was determined in WAVLINK WN536AX6-A V260507. This impacts the function host_black of the file /protocol.csp. This manipulation of the argument mac causes os command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:L/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-2026-120282

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-120282

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Vendor Advisories for CVE-2026-120282 (1)

CVE-2026-120282 | WAVLINK WN536AX6-A V260507 /protocol.csp host_black mac os command injection vdb-entry technical-description

Other References for CVE-2026-120282 (4)

https://github.com/pipiyyb/cve/blob/main/WAVLINK%20WN536AX6-A/WN536AX6-A_mac.md exploit
https://vuldb.com/cve/CVE-2026-120282 third-party-advisory
https://vuldb.com/submit/919791 third-party-advisory
https://vuldb.com/vuln/429626/cti signature permissions-required

https://www.cve.org/CVERecord?id=CVE-2026-120282

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-2026-120280	10.0 CRITICAL	WAVLINK WN536AX6-A WireGuard protocol.csp wireguard_cli_group handler os command injection
CVE-2026-120279	10.0 CRITICAL	WAVLINK WN536AX6-A openvpn_cli protocol.csp os command injection

IV. Related Vulnerabilities

Same product: WN536AX6-A

Same vendor: WAVLINK

Same weakness: CWE-78