CVE-2026-120238
WAVLINK WN553X1-B ovpn_file ioos sub_4162A8 os command injection
- State
- Published
- Severity
- 9.4 Critical
- Published
- Nov 1, 2026
- Updated
- Nov 1, 2026
- Reserved
- Oct 31, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.4 Critical | 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 | VulDB |
| 3.1 | 9.9 Critical | 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 | VulDB |
| 3.0 | 9.9 Critical | 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 | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
WN553X1-BWAVLINK |
|
References
- VDB-429597 | WAVLINK WN553X1-B ovpn_file ioos sub_4162A8 os command injectionvdb-entrytechnical-description
- VDB-429597 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-120238 | CVE Analysis and Reportthird-party-advisory
- Submit #919248 | Wavlink Router Firmware V260403_2.0.0 Command Injectionthird-party-advisory
- https://github.com/senxitoyshuyi-ui/HACKALL/blob/main/WAVLINK%20WN553X1-B%20Router/WAVLINK_WN553X1-B_ovpn_file_command_injection.mdexploit
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