CVE-2026-120281
10 CRITICALpublic exploit availablePublished 2026-11-02 · Updated 2026-11-02
AI risk analysis
- Summary
- A stack-based buffer overflow in the OpenVPN handler's strcpy call within /protocol.csp allows remote attackers to overwrite the stack by sending a crafted openvpn_ip parameter, leading to potential arbitrary code execution.
- Exploitability
- Exploitation is straightforward and requires only network access since no authentication or user interaction is needed.
- Blast radius
- Successful exploitation could allow full system compromise including remote code execution, data theft, and service disruption across any device running the vulnerable firmware.
- Detection
- No reliable host or network indicator is derivable from the published description.
- Prioritized remediation
- Upgrade to firmware version V260508 or later, as the vendor has released a fix for this vulnerability.
Analysis generated locally by garnet-coder (no data left the box). AI-assisted — verify against primary sources before acting.
NVD description
A vulnerability was found in WAVLINK WN536AX6-A V260507. This affects the function strcpy of the file /protocol.csp of the component OpenVPN Handler. The manipulation of the argument openvpn_ip results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weaknesses
CWE-119, CWE-121
Public exploit & PoC references
All references
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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