WAVLINK WN553X1-B ioos sub_416B50 os command injection

Summary

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.

Remediation

1. Inventory every WAVLINK WN553X1-B deployment, including staging.
2. No fixed version appears in the public sources yet. Check the references below and the vendor directly.

References

• Advisoryhttps://vuldb.com/cve/CVE-2026-120229
• Advisoryhttps://vuldb.com/submit/919153
• Referencehttps://github.com/senxitoyshuyi-ui/IOT-CVE/blob/main/vulns/WAVLINK_WN553X1-B_check_pwd_command_injection.md
• Referencehttps://vuldb.com/vuln/429588
• Referencehttps://vuldb.com/vuln/429588/cti