Feed/CVE-2021-47854
CVE-2021-47854CRITICALCVSS 9.8

CVE-2021-47854

Published Jan 21, 2026·Updated Jun 16, 2026

NVD 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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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