CVE-2026-120277 Details
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.
An OS command injection vulnerability has been identified in the WAVLINK WN536AX6-A router, specifically in the WireGuard CLI Group Handler of the OpenWrt-based firmware version V260507_2.0.0. The vulnerability allows for remote exploitation by injecting commands through the 'group_name' parameter, which is then executed with root privileges via the 'system()' function. This flaw is present in the device's default configuration, where an empty password can be used to authenticate remotely.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Nov 2, 2026CISA-ADP
Assessed Nov 6, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/senxitoyshuyi-ui/HACKALL/blob/main/WAVLINK_WN536AX6-A%20Router/WAVLINK_WN536AX6-A_wireguard_cli_group_command_injection.md | [email protected] | ExploitTechnical Analysis |
| https://vuldb.com/cve/CVE-2026-120277 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/919503 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/429621 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/429621/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | [email protected] |
| CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| WAVLINK WN536AX6-A | M36AX6_V260507_2.0.0-WO-d173724 |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 6, 2026 | CVE Modified | CISA-ADP |
| Nov 2, 2026 | New CVE Received | [email protected] |