# CVE-2026-120238: CVE-2026-120238

Status: published. Published: 2026-11-01. Updated: 2026-11-01.

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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

Not reported in collected sources.

## Severity and prioritization

- CVSS 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; source: NVD: cna@vuldb.com

- CVSS 3.1: 9.9 (critical); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H; source: NVD: cna@vuldb.com

- CVSS 2.0: 9 (high); AV:N/AC:L/Au:S/C:C/I:C/A:C; source: NVD: cna@vuldb.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-77

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://github.com/senxitoyshuyi-ui/HACKALL/blob/main/WAVLINK%20WN553X1-B%20Router/WAVLINK_WN553X1-B_ovpn_file_command_injection.md (cna@vuldb.com)

- https://vuldb.com/cve/CVE-2026-120238 (cna@vuldb.com)

- https://vuldb.com/submit/919248 (cna@vuldb.com)

- https://vuldb.com/vuln/429597 (cna@vuldb.com)

- https://vuldb.com/vuln/429597/cti (cna@vuldb.com)

## Provenance

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-120238; retrieved 2026-11-02; source updated 2026-11-01

Revision: 39bc2593ec7c8bf913bd42cc2a576ff8b944936115527c3f1addaa884dcca0b5

Canonical: https://y2.dev/cve/CVE-2026-120238