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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
WAVLINK WN553X1-B affected
Version Status Constraints
V260403_2.0.0 affected —

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Project Subscriptions

Vendors Products
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Wn553x1-b Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/senxitoyshuyi-ui/IOT-CVE/blob/main/vulns/WAVLINK%20WN553X1-B%20Router.md cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-120228 cve-icon cve-icon
https://vuldb.com/submit/919151 cve-icon cve-icon
https://vuldb.com/vuln/429587 cve-icon cve-icon
https://vuldb.com/vuln/429587/cti cve-icon cve-icon
History

Sun, 01 Nov 2026 14:00:00 +0000

Type Values Removed Values 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.
Title WAVLINK WN553X1-B ioos Service sub_416D88 os command injection
First Time appeared Wavlink
Wavlink wn553x1-b
Weaknesses CWE-77
CWE-78
CPEs cpe:2.3:a:wavlink:wn553x1-b:*:*:*:*:*:*:*:*
Vendors & Products Wavlink
Wavlink wn553x1-b
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 9.9, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 9.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-11-01T13:45:13.986Z

Reserved: 2026-10-31T19:35:19.912Z

Link: CVE-2026-120228

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-01T14:18:52.883

Modified: 2026-11-01T14:18:52.883

Link: CVE-2026-120228

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-01T16:30:08Z

Weaknesses