CVE-2026-120195 Details
Description
A security vulnerability has been detected in WAVLINK WL-WN579A3-A 2026-03-10-94f93d4. The impacted element is the function set_wzdgwMesh of the file /cgi-bin/adm.cgi of the component Initial Setup Wizard. The manipulation of the argument wlan_ssid leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure.
A command injection vulnerability has been identified in the WAVLINK WL-WN579A3-A router, specifically in the firmware version dated 2026-03-10-94f93d4. The issue arises in the Initial Setup Wizard component, within the 'set_wzdgwMesh' function of the '/cgi-bin/adm.cgi' file. The vulnerability allows remote attackers to inject operating system commands through the 'wlan_ssid' parameter, exploiting insufficient input validation. This exploitation can be performed without authentication, leading to unauthorized command execution with root privileges on the affected device.
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 1, 2026CISA-ADP
Assessed Nov 5, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/pipiyyb/cve/blob/main/WAVLINK_WN579A3_CVE_wzdgwMesh_wlan_ssid.md | [email protected] | ExploitTechnical Analysis |
| https://vuldb.com/cve/CVE-2026-120195 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/914922 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/429558 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/429558/cti | [email protected] | AdvisoryPermission Required |
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 WL-WN579A3-A | WINSTAR_WN579A3-A-2026-03-10-94f93d4 |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 5, 2026 | CVE Modified | CISA-ADP |
| Nov 1, 2026 | New CVE Received | [email protected] |