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CVE-2026-120276— WAVLINK WN536AX6-A Web Management ioos sub_416760 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_2.0.0）中发现一处安全弱点。该漏洞影响 Web 管理界面组件中文件的函数。攻击者可通过操纵参数引发操作系统命令注入漏洞。该攻击可远程发起，且利用代码已在公开渠道发布，可能被用于实际攻击。厂商已在此漏洞披露初期收到相关通知。

CVSS 10.0 · Critical Updated Nov 02, 2026

Possible ATT&CK Techniques 2 AI

T1059.001 · PowerShell T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

WAVLINK WN536AX6-A Web Management ioos sub_416760 os command injection

Source: CVE Program / CVE List V5

Vulnerability Description

A weakness has been identified in WAVLINK WN536AX6-A V260507_2.0.0. This vulnerability affects the function sub_416760 of the file /bin/ioos of the component Web Management Interface. This manipulation of the argument group_name causes os command injection. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. 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-2026-120276

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-120276

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Other References for CVE-2026-120276 (1)

CVE-2026-120276 | WAVLINK WN536AX6-A V260507_2.0.0 Web Management Interface /bin/ioos sub_416760 group_name os command injection vdb-entry technical-description

Other References for CVE-2026-120276 (4)

https://github.com/senxitoyshuyi-ui/HACKALL/blob/main/WAVLINK_WN536AX6-A%20Router/WAVLINK_WN536AX6-A_openvpn_cli_group_command_injection.md exploit
https://vuldb.com/cve/CVE-2026-120276 third-party-advisory
https://vuldb.com/vuln/429620/cti signature permissions-required
https://vuldb.com/submit/919502 third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-120276

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

CVE-2026-120277	10.0 CRITICAL	WAVLINK WN536AX6-A WireGuard CLI Group ioos sub_41a1d8 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