CVE-2024-39787: wavlink wavlink ac3000 Path Traversal

Vulnerability summary

CVE-2024-39787 is a critical (CVSS 9.1) Path Traversal vulnerability in wavlink wavlink ac3000. EPSS estimates a 2.59% chance of exploitation in the next 30 days, higher than 85.1% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 14-01-2025
   PublishedVulnerability first disclosed.
2. 03-11-2025
   Last modifiedVulnerability information updated.

Description

Multiple directory traversal vulnerabilities exist in the nas.cgi add_dir() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to permission bypass. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.A directory traversal vulnerability exists within the `disk_part` POST parameter.

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.