CVE-2021-47854

Publication date

2026-01-21 17:27:38

Family

VulnCheck

State

PUBLISHED

Description

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.