CVE-2013-6811

CVE-2013-6811 describes multiple Cross-Site Request Forgery (CSRF) vulnerabilities in the D-Link DSL-6740U gateway (Rev. H1). These flaws allow remote attackers to hijack authenticated administrator sessions to modify critical settings, including administrator credentials, port forwarding rules, parental control URL filters, and QoS configurations. The vulnerability carries a high CVSS score of 8.8, indicating a severe risk. It requires user interaction (UI:R) but can be exploited over the network (AV:N) with low attack complexity (AC:L), potentially leading to complete compromise of confidentiality, integrity, and availability (C:H/I:H/A:H). There is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit or Nuclei. Community discussion and media coverage for this CVE are minimal, suggesting it has not garnered significant attention from researchers or the public.