D-link Dir-456u Firmware

1 CVEs affecting D-link Dir-456u Firmware. Latest disclosed: 2026-05-04. Critical: 1, High: 0.

Top CVEs affecting D-link Dir-456u Firmware
CVESeverityScorePublishedSummary
CVE-2026-42376Critical9.82026-05-04D-Link DIR-456U Hardware Revision A1 (End-of-Life, EOL) contains a hardcoded telnet backdoor. The device starts a telnet daemon at boot via /etc/init0.d/S80tel…