CVE-2026-90693

A flaw has been found in D-Link DIR-878 120B05. This impacts the function SetWan3Settings of the component WAN Settings. This manipulation of the argument Primary/Secondary causes stack-based buffer overflow. Remote exploitation of the attack is possible.

  • Published Sep 14, 2026
  • CVSS 9.4 critical
  • 0.9% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-90693 at the National Vulnerability Database