High CVSS 7.5

Overview

D-Link D-View TftpSendFileThread Directory Traversal Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of D-Link D-View. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the TftpSendFileThread class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM. Was ZDI-CAN-19496.

Risk analysis

This vulnerability is rated 🟠 HIGH.

  • CVSS: 7.5 (HIGH)
  • Detected tags: info_leak, path (tag impact: MODERATE)

Recommended actions:

  • Reduce verbose errors, remove debug endpoints, minimize PII in logs.
  • Canonicalize path; block `..` traversal; use allowlists.

Recommended tools

Tags