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CVE-2024-39768

Wavlink Wl-wn533a8 Firmware buffer overflow

9.1 CRITICALPublic exploitEPSS 1.26%
  1. Published14 Jan 2025

Description

Multiple buffer overflow vulnerabilities exist in the internet.cgi set_qos() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.This vulnerability exists in the `cli_name` POST parameter.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/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-2024-39768 being actively exploited?

CVE-2024-39768 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.26%.

How severe is CVE-2024-39768?

CVE-2024-39768 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 1.26% probability of exploitation.

Which products are affected by CVE-2024-39768?

Affected products include Wavlink Wl-wn533a8 Firmware.

How do I fix CVE-2024-39768?

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-2024-39768 against the real software inventory on every managed device, as each hourly inventory arrives. 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.