CVE-2026-120278 Details
Description
A vulnerability was detected in WAVLINK WN536AX6-A V260507_2.0.0. Impacted is the function sub_416d48/sub_41a7c0 of the file /bin/ioos of the component VPN Client List Handler. Performing a manipulation of the argument opt results in missing authentication. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure.
A vulnerability exists in the WAVLINK WN536AX6-A router, specifically in the V260507_2.0.0 firmware version. The issue arises in the VPN Client List Handler component, within the functions sub_416d48 and sub_41a7c0, located in the /bin/ioos file. The vulnerability allows for unauthenticated information disclosure by manipulating the 'opt' argument, which can be exploited remotely. This flaw was disclosed to the vendor prior to public exploitation.
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 2, 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_vpn_list_info_disclosure.md | [email protected] | ExploitTechnical Description |
| https://vuldb.com/cve/CVE-2026-120278 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/919506 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/429622 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/429622/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-287 | Improper Authentication | [email protected] |
| CWE-306 | Missing Authentication for Critical Function | [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 2, 2026 | CVE Modified | CISA-ADP |
| Nov 2, 2026 | New CVE Received | [email protected] |