A vulnerability has been found in WAVLINK WN553X1-B 260403_2.0.0. This affects the function sub_4162A8 of the file /bin/ioos of the component ovpn_file Handler. Such manipulation of the argument file_id leads to os command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.

Metrics

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.

Affected Vendors & Products

Vendors Products
Wavlink Subscribe
Wn553x1-b Subscribe

No data.

No data.

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No data.

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/HACKALL/blob/main/WAVLINK%20WN553X1-B%20Router/WAVLINK_WN553X1-B_ovpn_file_command_injection.md cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-120238 cve-icon cve-icon
https://vuldb.com/submit/919248 cve-icon cve-icon
https://vuldb.com/vuln/429597 cve-icon cve-icon
https://vuldb.com/vuln/429597/cti cve-icon cve-icon
History

Sun, 01 Nov 2026 18:00:00 +0000

Type Values Removed Values Added
Description A vulnerability has been found in WAVLINK WN553X1-B 260403_2.0.0. This affects the function sub_4162A8 of the file /bin/ioos of the component ovpn_file Handler. Such manipulation of the argument file_id leads to os command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.
Title WAVLINK WN553X1-B ovpn_file ioos sub_4162A8 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: 2026-11-01T17:45:17.440Z

Reserved: 2026-10-31T20:14:18.347Z

Link: CVE-2026-120238

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-01T18:17:13.720

Modified: 2026-11-01T18:17:13.720

Link: CVE-2026-120238

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-01T20:00:08Z

Weaknesses