CVE-2026-120279

CRITICAL 10.0

WAVLINK WN536AX6-A openvpn_cli protocol.csp os command injection

CVSS Score

10.0

EPSS Score

0.0%

EPSS Percentile

0th

A flaw has been found in WAVLINK WN536AX6-A V260507. The affected element is an unknown function of the file /protocol.csp of the component openvpn_cli Handler. Executing a manipulation of the argument file_id can lead to os command injection. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.

CWE	CWE-78 CWE-77
Vendor	wavlink
Product	wn536ax6-a
Published	Nov 2, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

WAVLINK / WN536AX6-A

V260507

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/429623 vuldb.com: https://vuldb.com/vuln/429623/cti vuldb.com: https://vuldb.com/cve/CVE-2026-120279 vuldb.com: https://vuldb.com/submit/919788 github.com: https://github.com/pipiyyb/cve/blob/main/WAVLINK%20WN536AX6-A/WN536AX6-A_file_id.md

Credits

🔍 hackerpipi (VulDB User) VulDB CNA Team