CVE-2026-120276 Details
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.
An OS command injection vulnerability has been identified in the WAVLINK WN536AX6-A router, specifically in the V260507_2.0.0 firmware. The issue arises in the Web Management Interface, within the 'ioos' component, which is the WAVLINK CSP back-end running as root. The vulnerability allows for remote exploitation by injecting commands through the 'group_name' parameter when adding OpenVPN client groups.
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 5, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/senxitoyshuyi-ui/HACKALL/blob/main/WAVLINK_WN536AX6-A%20Router/WAVLINK_WN536AX6-A_openvpn_cli_group_command_injection.md | [email protected] | ExploitTechnical Analysis |
| https://vuldb.com/cve/CVE-2026-120276 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/919502 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/429620 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/429620/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
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 5, 2026 | CVE Modified | CISA-ADP |
| Nov 2, 2026 | New CVE Received | [email protected] |