Cyber Posture

CVE-2024-39784

CriticalPublic PoC

Published: 14 January 2025

Published
14 January 2025
Modified
03 November 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 0.0043 62.5th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Description

Multiple command execution vulnerabilities exist in the nas.cgi add_dir() 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 these vulnerabilities.A command injection vulnerability exists in the disk_part POST parameter.

Security Summary

CVE-2024-39784 consists of multiple command execution vulnerabilities in the nas.cgi add_dir() functionality of the Wavlink AC3000 router running firmware version M33A8.V5030.210505. A specially crafted HTTP request can lead to arbitrary command execution. Additionally, a command injection vulnerability exists in the disk_part POST parameter. The issue is associated with CWE-74 and 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).

These vulnerabilities can be exploited by an authenticated attacker with high privileges who sends a malicious HTTP request to the affected nas.cgi endpoint. Successful exploitation enables arbitrary command execution on the device, potentially granting full control over the router's operating system.

Mitigation guidance is available in the Talos Intelligence advisory at https://talosintelligence.com/vulnerability_reports/TALOS-2024-2058.

Details

CWE(s)
CWE-74

Affected Products

wavlink
wl-wn533a8 firmware
m33a8.v5030.210505

References