9.9
CRITICAL CVSS 3.1
CVE-2026-120228
WAVLINK WN553X1-B ioos Service sub_416D88 os command injection
Description

A flaw has been found in WAVLINK WN553X1-B V260403_2.0.0. This vulnerability affects the function sub_416D88 of the file /bin/ioos of the component ioos Service. Executing a manipulation of the argument group_id/group_name can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.

INFO

Published Date :

Nov. 1, 2026, 2:18 p.m.

Last Modified :

Nov. 1, 2026, 2:18 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-120228 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 CRITICAL [email protected]
CVSS 4.0 HIGH [email protected]
Solution
Update the ioos Service component to patch the OS command injection vulnerability.
  • Apply vendor patches for ioos Service.
  • Update WAVLINK WN553X1-B firmware.
  • Restrict access to the ioos Service.
  • Sanitize inputs to the group_id/group_name argument.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-120228.

URL Resource
https://github.com/senxitoyshuyi-ui/IOT-CVE/blob/main/vulns/WAVLINK%20WN553X1-B%20Router.md
https://vuldb.com/cve/CVE-2026-120228
https://vuldb.com/submit/919151
https://vuldb.com/vuln/429587
https://vuldb.com/vuln/429587/cti
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-120228 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-120228 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-120228 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Nov. 01, 2026

    Action Type Old Value New Value
    Added Description A flaw has been found in WAVLINK WN553X1-B V260403_2.0.0. This vulnerability affects the function sub_416D88 of the file /bin/ioos of the component ioos Service. Executing a manipulation of the argument group_id/group_name can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
    Added CVSS V2 (AV:N/AC:L/Au:S/C:C/I:C/A:C)
    Added CWE CWE-78
    Added CWE CWE-77
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/120xxx/CVE-2026-120228.json">CVE-2026-120228</a>
    Added Reference https://github.com/senxitoyshuyi-ui/IOT-CVE/blob/main/vulns/WAVLINK%20WN553X1-B%20Router.md
    Added Reference https://vuldb.com/cve/CVE-2026-120228
    Added Reference https://vuldb.com/submit/919151
    Added Reference https://vuldb.com/vuln/429587
    Added Reference https://vuldb.com/vuln/429587/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.