CVE-2026-120229

CRITICAL 9.1

WAVLINK WN553X1-B ioos sub_416B50 os command injection

CVSS Score

9.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-78 CWE-77
Vendor	wavlink
Product	wn553x1-b
Published	Nov 1, 2026

Stay Ahead of the Next One

Get instant alerts for wavlink wn553x1-b

Be the first to know when new critical vulnerabilities affecting wavlink wn553x1-b are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

WAVLINK / WN553X1-B

260403_2.0.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

VulDB CNA Team