TI-2021-22468 CVE-2021-47854 · GHSA-fmvf-xj4m-jpwfDD-WRT 45723 - UPNP Buffer OverflowPriority HIGH 79DD-WRT version 45723 contains a buffer overflow vulnerability in the UPNP network discovery service that allows remote attackers to potentially execute arbitrary code.CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.01082 · Published 2026-01-21 · No fix listed CWE-120