VULNERABILITY INTELLIGENCE

CVE-2021-21940

CVSS score10 CRITICAL

EPSS probability1.33%

CISA KEVNot currently listed

Published2021-10-12

Last modified2026-06-17

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

Description

A heap-based buffer overflow vulnerability exists in the pushMuxer processRtspInfo functionality of Anker Eufy Homebase 2 2.1.6.9h. A specially-crafted network packet can lead to a heap buffer overflow. An attacker can send a malicious packet to trigger this vulnerability.

Weakness classification

CWE-122: Heap-based Buffer Overflow
CWE-787: Out-of-bounds Write

Primary references

talos-cna@cisco.com — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory