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No exploitation reported

CVE-2021-21950

No exploitation reported by the sources we read.

  • Published2021-12-08
  • WeaknessCWE-119 · CWE-1284

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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 recv_server_device_response_msg_process. A specially-crafted network packet can lead to code execution.

Timeline

dates in UTC
  1. 2021-12-0822:15CVE publishedNVD

Versions per branch

NVD
Anker eufy homebase 2 firmwareversion to verify
BranchAffectedFixed in
2.1= 2.1.6.9hno fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.110read 2026-10-23
  • CNACVSS 3.010known since 2026-10-23
  • NVDCVSS 2.010read 2026-10-23
  • CNAweakness (CWE)CWE-119known since 2026-10-23
  • NVDweakness (CWE)CWE-1284read 2026-10-23
  • FIRST EPSSEPSS score2.5 %2026-11-09
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published
2021-12-08
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-mh9p-pq79-6q5x

Frequently asked questions

What is CVE-2021-21950?

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 recv_server_device_response_msg_process. A specially-crafted network packet can lead to code execution.

Is CVE-2021-21950 actively exploited?

Active exploitation of CVE-2021-21950 has not been confirmed. Its EPSS score was 2.5% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-21950?

CVE-2021-21950 has a CVSS v3 base score of 10 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

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