CVE-2026-120231
WAVLINK WN553X1-B OpenVPN CLI ioos sub_416568 os command injection
A vulnerability was determined in WAVLINK WN553X1-B V260403_2.0.0. The affected element is the function sub_416568 of the file /bin/ioos of the component OpenVPN CLI Handler. This manipulation of the argument file_id causes os command injection. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| WN553X1-B WAVLINK |
V260403_2.0.0 (affected) | CNA: VulDB |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 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 | CNA: 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 | CNA: 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 | CNA: VulDB |
| 2.0 / 9.0 critical |
AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | CNA: VulDB |
| 4.0 / 8.6 high |
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/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 | NVD: [email protected] |
| 3.1 / 9.9 critical |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H | NVD: [email protected] |
| 2.0 / 9.0 high |
AV:N/AC:L/Au:S/C:C/I:C/A:C | NVD: [email protected] |
Exploit evidence
References
- https://vuldb.com/vuln/429590CNA: VulDB · vdb-entry, technical-description
- https://vuldb.com/vuln/429590/ctiCNA: VulDB · signature, permissions-required
- https://vuldb.com/cve/CVE-2026-120231CNA: VulDB · third-party-advisory
- https://vuldb.com/submit/919247CNA: VulDB · third-party-advisory
- https://github.com/senxitoyshuyi-ui/HACKALL/blob/main/WAVLINK%20WN553X1-B%20Router/WAVLINK_WN553X1-B_openvpn_cli_command_injection.mdCNA: VulDB · exploit
- https://github.com/senxitoyshuyi-ui/HACKALL/blob/main/WAVLINK%20WN553X1-B%20Router/WAVLINK_WN553X1-B_openvpn_cli_command_injection.md[email protected]
- https://vuldb.com/cve/CVE-2026-120231[email protected]
- https://vuldb.com/submit/919247[email protected]
- https://vuldb.com/vuln/429590[email protected]
- https://vuldb.com/vuln/429590/cti[email protected]
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