CVE Daily

CVE-2023-32165

D-Link D-View TftpReceiveFileHandler Directory Traversal Remote Code Execution V...

Critical CVSS 9.8

Overview

D-Link D-View TftpReceiveFileHandler Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of D-Link D-View. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the TftpReceiveFileHandler 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 execute code in the context of SYSTEM. Was ZDI-CAN-19497.

CWE: CWE-22 Published: 2024-05-03T02:15:21.543
Risk analysis

This vulnerability is rated 🔴 CRITICAL.

  • CVSS: 9.8 (CRITICAL)
  • Detected tags: path, rce (tag impact: VERY HIGH)

Recommended actions:

  • Canonicalize path; block `..` traversal; use allowlists.
  • Patch/upgrade immediately (remote code execution).
  • Reduce exposure (WAF/segmentation), minimize attack surface.

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