How to fix CVE-2024-39790?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Monitor vendor channels for patch availability.

Is Wl Wn533A8 Firmware affected by CVE-2024-39790?

CVE-2024-39790 presents critical security risk rated CVSS 9.1. Successful exploitation could critically impact the confidentiality, integrity, and availability of affected systems. Proof-of-concept code is publicly available, increasing the risk of exploitation.

CVE-2024-39790

CRITICAL

2025-01-14 [email protected]

9.1

CVSS 3.1

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:03 vuln.today

PoC Detected

Nov 03, 2025 - 22:17 vuln.today

Public exploit code

CVE Published

Jan 14, 2025 - 15:15 nvd

CRITICAL 9.1

Description

Multiple external config control vulnerabilities exist in the nas.cgi set_ftp_cfg() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to permission bypass. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.A configuration injection vulnerability exists within the `ftp_max_sessions` POST parameter.

Analysis

Multiple external config control vulnerabilities exist in the nas.cgi set_ftp_cfg() functionality of Wavlink AC3000 M33A8.V5030.210505. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical Context

This vulnerability is classified under CWE-15. Multiple external config control vulnerabilities exist in the nas.cgi set_ftp_cfg() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to permission bypass. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.A configuration injection vulnerability exists within the `ftp_max_sessions` POST parameter. Affected products include: Wavlink Wl-Wn533A8 Firmware.

Affected Products

Wavlink Wl-Wn533A8 Firmware.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.1

CVSS: +46

POC: +20

CVE-2024-39790 vulnerability details – vuln.today

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CVE-2024-39790

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CVE-2024-39790

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Lifecycle Timeline

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