Cyber Posture

CVE-2024-39357

CriticalPublic PoC

Published: 14 January 2025

Published
14 January 2025
Modified
21 August 2025
KEV Added
Patch
CVSS Score 9.1 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0033 56.1th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Description

A stack-based buffer overflow vulnerability exists in the wireless.cgi SetName() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to arbitrary command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Security Summary

CVE-2024-39357 is a stack-based buffer overflow vulnerability (CWE-121) in the SetName() functionality of wireless.cgi on the Wavlink AC3000 router running firmware version M33A8.V5030.210505. The flaw allows a specially crafted HTTP request to trigger the overflow, enabling arbitrary command execution. Published on 2025-01-14, it carries a CVSS v3.1 base score of 9.1 (AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).

An authenticated attacker with high privileges can exploit this vulnerability remotely over the network with low attack complexity and no user interaction required. By sending a malicious HTTP request to the vulnerable wireless.cgi endpoint, the attacker achieves arbitrary command execution, potentially leading to full compromise of the device given the high impacts on confidentiality, integrity, and availability across the changed scope.

Mitigation details are available in the Talos Intelligence advisory at https://talosintelligence.com/vulnerability_reports/TALOS-2024-2039.

Details

CWE(s)
CWE-121

Affected Products

wavlink
wl-wn533a8 firmware
m33a8.v5030.210505

References