CVE-2026-120229 Details
Description
A vulnerability has been found in WAVLINK WN553X1-B 260403_2.0.0. This issue affects the function sub_416B50 of the file /bin/ioos. The manipulation of the argument file_id leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.
A command injection vulnerability has been identified in the WAVLINK WN553X1-B router, specifically in the V260403_2.0.0 firmware. The issue arises in the 'sub_416B50' function of the '/bin/ioos' component, where the 'file_id' parameter is manipulated to execute arbitrary OS commands. This vulnerability can be exploited remotely by an authenticated user with a valid session token, which is obtainable through the 'opt=login' endpoint using the default 'admin' password.
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/senxitoyshuyi-ui/IOT-CVE/blob/main/vulns/WAVLINK_WN553X1-B_check_pwd_command_injection.md | [email protected] | ExploitTechnical Analysis |
| https://vuldb.com/cve/CVE-2026-120229 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/919153 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/429588 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/429588/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 WN553X1-B | V260403_2.0.0 |
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] |