CVE-2026-90692

A vulnerability was detected in D-Link DIR-878 120B05. This affects the function SetDynamicDNSIPv6Settings of the component Dynamic DNS IPv6 Settings. The manipulation of the argument IPv6Address/Hostname results in stack-based buffer overflow. The attack may be launched remotely.

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

Affected software

CVE-2026-90692 at the National Vulnerability Database