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CVE-2024-39363

Wavlink Wl-wn533a8 Firmware cross-site scripting (XSS)

9.6 CRITICALPublic exploitEPSS 48.1%
  1. Published14 Jan 2025

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

Wavlink Wl-wn533a8 Firmwarem33a8.v5030.210505

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2024-39363 being actively exploited?

CVE-2024-39363 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 48.1%.

How severe is CVE-2024-39363?

CVE-2024-39363 has a CVSS 3.1 base score of 9.6, rated critical. EPSS estimates a 48.1% probability of exploitation.

Which products are affected by CVE-2024-39363?

Affected products include Wavlink Wl-wn533a8 Firmware.

How do I fix CVE-2024-39363?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-39363 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.