Medium CVSS 6.5

Overview

ASUS RT-AX92U lighttpd mod_webdav.so SQL Injection Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected ASUS RT-AX92U routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the mod_webdav.so module. When parsing a request, the process does not properly validate a user-supplied string before using it to construct SQL queries. An attacker can leverage this vulnerability to disclose information in the context of root. Was ZDI-CAN-16078.

Risk analysis

This vulnerability is rated 🟡 MEDIUM.

  • CVSS: 6.5 (MEDIUM)
  • Detected tags: info_leak, sql (tag impact: MODERATE)

Recommended actions:

  • Reduce verbose errors, remove debug endpoints, minimize PII in logs.
  • Use parameterized queries/ORM (avoid string concatenation).
  • Add WAF rules and input validation.

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