CVE-2026-2143: OS Command Injection in D-Link DIR-823X CVE-2026-2143 is an OS command injection vulnerability identified in the D-Link DIR-823X router firmware version 250416. The vulnerability resides in the Dynamic DNS (DDNS) service component, specifically in the processing of the /goform/se

HIGH severity: D-Link DIR-823X (v250416) has OS command injection via DDNS. Remote exploit possible. Restrict remote management & monitor endpoints until patched. Full details: radar.offseq.com/threat/cve-2026-2143-os-... #OffSeq #CVE20262143 #DLink