CVE-2021-47854 — DD-WRT 45723 - UPNP Buffer Overflow
DD-WRT version 45723 contains a buffer overflow vulnerability in the UPNP network discovery service that allows remote attackers to potentially execute arbitrary code. Attackers…
Published: 2026-01-21 · CVSS: 8.7 · CVSS 4.0
DD-WRT version 45723 contains a buffer overflow vulnerability in the UPNP network discovery service that allows remote attackers to potentially execute arbitrary code. Attackers can send crafted M-SEARCH packets with oversized UUID payloads to trigger buffer overflow conditions on the target device.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7