What’s Vulnerable › Products

D-Link DIR-456U Firmware vulnerabilities

1 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 1 published in the last 12 months.

Check whether your D-Link DIR-456U Firmware version is affected

Latest D-Link DIR-456U Firmware vulnerabilities

• CVE-2026-42376 — D-Link DIR-456U A1 Hardcoded Telnet Backdoor Credentials (CVSS 9.8)