An out-of-bounds write vulnerability exists in the CMD_DEVICE_GET_SERVER_LIST_REQUEST functionality of the home_security binary of Anker Eu…

published 2021-12-08 4y ago modified 2026-06-17 4mo ago also EUVD-2021-9122

cvss: 10.0; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.5%; EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits: 0; none known

An out-of-bounds write vulnerability exists in the CMD_DEVICE_GET_SERVER_LIST_REQUEST functionality of the home_security binary of Anker Eufy Homebase 2 2.1.6.9h in function read_udp_push_config_file. A specially-crafted network packet can lead to code execution.

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Exploit prediction

2.48% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2021-1378 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	10.0	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD	3.1	10.0	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

n/a Anker

Classification

Weakness

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-1284 Improper Validation of Specified Quantity in Input

References

talosintelligence.com /vulnerability_reports/TALOS-2021-1378
exploit, third-party-advisory

Sources

CVE List CVE-2021-21951
NVD CVE-2021-21951

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