Security Advisory

CVE-2021-47854

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-01-21 17:27:38

Last updated 2026-07-28 01:47:25

Assigner VulnCheck

CVSS score 8.7

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.

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