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DIR-456U Firmware — Vulnerabilities & Security Advisories 1

All 1 CVE vulnerabilities found in DIR-456U Firmware, with AI-generated Chinese analysis, references, and POCs.

Vendor: D-Link

CVE IDTitleCVSSSeverityPublished
CVE-2026-42376 D-Link DIR-456U A1 Hardcoded Telnet Backdoor Credentials CWE-798 9.8 Critical2026-05-04

All 1 known CVE vulnerabilities affecting DIR-456U Firmware with full Chinese analysis, references, and POCs where available.