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CVE-2026-120277— WAVLINK WN536AX6-A WireGuard CLI Group ioos sub_41a1d8 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（固件版本 V260507_2.0.0）中发现了一个安全漏洞。该问题影响组件"WireGuard CLI 组处理程序"中文件的函数。对参数的恶意操纵可导致操作系统命令注入。该攻击可远程发起。利用方法已公开披露，可能被利用。厂商已在披露初期收到相关通知。

CVSS 10.0 · 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 WireGuard CLI Group ioos sub_41a1d8 os command injection

Source: CVE Program / CVE List V5

Vulnerability Description

A security vulnerability has been detected in WAVLINK WN536AX6-A V260507_2.0.0. This issue affects the function sub_41a1d8 of the file /bin/ioos of the component WireGuard CLI Group Handler. Such manipulation of the argument group_name leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed publicly 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_2.0.0	`cpe:2.3:a:wavlink:wn536ax6-a::::::::`

II. Public POCs for CVE-2026-120277

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-120277

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Other References for CVE-2026-120277 (1)

CVE-2026-120277 | WAVLINK WN536AX6-A V260507_2.0.0 WireGuard CLI Group /bin/ioos sub_41a1d8 group_name os command injection vdb-entry technical-description

Other References for CVE-2026-120277 (4)

https://github.com/senxitoyshuyi-ui/HACKALL/blob/main/WAVLINK_WN536AX6-A%20Router/WAVLINK_WN536AX6-A_wireguard_cli_group_command_injection.md exploit
https://vuldb.com/cve/CVE-2026-120277 third-party-advisory
https://vuldb.com/vuln/429621/cti signature permissions-required
https://vuldb.com/submit/919503 third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-120277

Same Patch Batch · WAVLINK · 2026-11-01 · 15 CVEs total

CVE-2026-120276	10.0 CRITICAL	WAVLINK WN536AX6-A Web Management ioos sub_416760 os command injection
CVE-2026-120198	10.0 CRITICAL	WAVLINK WL-WN530BE1-A protocol.csp con_check_read_finish command injection
CVE-2026-120195	10.0 CRITICAL	WAVLINK WL-WN579A3-A Initial Setup Wizard adm.cgi set_wzdgwMesh os command injection
CVE-2026-120240	9.9 CRITICAL	WAVLINK WN553X1-B WireGuard CLI Group ioos sub_41A748 os command injection
CVE-2026-120239	9.9 CRITICAL	WAVLINK WN553X1-B WireGuard CLI ioos sub_419DA8 os command injection
CVE-2026-120238	9.9 CRITICAL	WAVLINK WN553X1-B ovpn_file ioos sub_4162A8 os command injection
CVE-2026-120231	9.9 CRITICAL	WAVLINK WN553X1-B OpenVPN CLI ioos sub_416568 os command injection
CVE-2026-120230	9.9 CRITICAL	WAVLINK WN701AE ioos Web Backend del_vlan_group os command injection
CVE-2026-120228	9.9 CRITICAL	WAVLINK WN553X1-B ioos Service sub_416D88 os command injection
CVE-2026-120227	9.9 CRITICAL	WAVLINK WN701AE ioos Web Backend static_route_setting.sh del_staticrule os command injecti
CVE-2026-120197	9.9 CRITICAL	WAVLINK WL-WN530HG4B wapi.cgi port_forward os command injection
CVE-2026-120196	9.9 CRITICAL	WAVLINK WN579X3-D wapi.cgi port_forward os command injection
CVE-2026-120229	9.1 CRITICAL	WAVLINK WN553X1-B ioos sub_416B50 os command injection
CVE-2026-120278	5.3 MEDIUM	WAVLINK WN536AX6-A VPN Client List ioos sub_41a7c0 missing authentication

IV. Related Vulnerabilities

Same product: WN536AX6-A

Same vendor: WAVLINK

Same weakness: CWE-78