How to fix CVE-2024-39363?

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-2024-39363?

CVE-2024-39363 presents critical security risk rated CVSS 9.6. Successful exploitation could critically impact the confidentiality, integrity, and availability of affected systems. With an EPSS score of 11%, exploitation is likely in exposed deployments.

CVE-2024-39363

CRITICAL

2025-01-14 [email protected]

9.6

CVSS 3.1

CVSS Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:03 vuln.today

PoC Detected

Aug 25, 2025 - 18:29 vuln.today

Public exploit code

CVE Published

Jan 14, 2025 - 15:15 nvd

CRITICAL 9.6

Description

A cross-site scripting (xss) vulnerability exists in the login.cgi set_lang_CountryCode() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to a disclosure of sensitive information. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.

Analysis

A cross-site scripting (xss) vulnerability exists in the login.cgi set_lang_CountryCode() functionality of Wavlink AC3000 M33A8.V5030.210505. Rated critical severity (CVSS 9.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 10.7%.

Technical Context

This vulnerability is classified under CWE-80. A cross-site scripting (xss) vulnerability exists in the login.cgi set_lang_CountryCode() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to a disclosure of sensitive information. An attacker can make an unauthenticated HTTP request to trigger this vulnerability. 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: +10.7

CVSS: +48

POC: +20

CVE-2024-39363 vulnerability details – vuln.today

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CVE-2024-39363

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Lifecycle Timeline

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CVE-2024-39363

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

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External POC / Exploit Code