← Vulnerability feed

Vulnerability record · CVE-2021-21951 · published 8 December 2021

CVE-2021-21951: Anker eufy homebase 2 firmware memory buffer overflow vulnerability

Anker · Eufy Homebase 2 Firmware

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.

10.0 CVSS 3.1 Critical EPSS 2.4% · top 16.6% CWE-119 · Memory buffer overflowCWE-1284 · CWE-1284
10.0CVSS 3.1 base score, v2 10.0
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1378 ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1378 ExploitThird Party Advisory

Track CVE-2021-21951 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2021-21950Anker eufy homebase 2 firmware memory buffer overflow vulnerabilityAn out-of-bounds write vulnerability exists in the CMD_DEVICE_GET_SERVER_LIST_REQUEST functionality of the home_security binary of Anker Eufy Homebas…EPSS 2.4%10.0CVE-2021-21940Anker eufy homebase 2 firmware heap-based buffer overflow vulnerabilityA heap-based buffer overflow vulnerability exists in the pushMuxer processRtspInfo functionality of Anker Eufy Homebase 2 2.1.6.9h. A specially-craft…EPSS 1.3%9.9CVE-2021-21954Anker eufy homebase 2 firmware os command injection vulnerabilityA command execution vulnerability exists in the wifi_country_code_update functionality of the home_security binary of Anker Eufy Homebase 2 2.1.6.9h.…EPSS 2.4%9.8CVE-2022-29503Uclibc memory buffer overflow vulnerabilityA memory corruption vulnerability exists in the libpthread linuxthreads functionality of uClibC 0.9.33.2 and uClibC-ng 1.0.40. Thread allocation can …EPSS 1.3%9.8CVE-2022-21806Anker eufy homebase 2 firmware use after free vulnerabilityA use-after-free vulnerability exists in the mips_collector appsrv_server functionality of Anker Eufy Homebase 2 2.1.8.5h. A specially-crafted set of…EPSS 2.3%9.8CVE-2021-21952Anker eufy homebase 2 firmware authentication bypass via alternate path vulnerabilityAn authentication bypass vulnerability exists in the CMD_DEVICE_GET_RSA_KEY_REQUEST functionality of the home_security binary of Anker Eufy Homebase …EPSS 1.3%9.0CVE-2021-21941Anker eufy homebase 2 firmware use after free vulnerabilityA use-after-free vulnerability exists in the pushMuxer CreatePushThread functionality of Anker Eufy Homebase 2 2.1.6.9h. A specially-crafted set of n…EPSS 1.7%8.8CVE-2022-25989Anker eufy homebase 2 firmware authentication bypass by spoofing vulnerabilityAn authentication bypass vulnerability exists in the libxm_av.so getpeermac() functionality of Anker Eufy Homebase 2 2.1.8.5h. A specially-crafted DH…EPSS 1.0%

Source: NIST National Vulnerability Database (record CVE-2021-21951), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.