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CVE-2021-37436

17
FAUCET Score

CVE-2021-37436 affects Amazon Echo Dot devices, allowing attackers with physical access to a factory-reset device to potentially extract sensitive information through complex hardware and software attacks. This vulnerability has a CVSS score of 4.2 (Medium), indicating a physical attack vector and high attack complexity, but only impacts confidentiality. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2021-07-02CPE matchmatch criteria
cpe:2.3:o:amazon:echo_dot_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.2MEDIUM

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

Attack Vector
PHYSICAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
0.5
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.28%
Probability of exploitation in next 30 days
EPSS Percentile
20.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0028 is in the 56th percentile among its peer group of 152 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

arstechnica.com / gadgets/2021/07/passwords-in-amazon-echo-dots-live-on-even-after-you-factory-reset-them
Third Party Advisory
dl.acm.org / doi/pdf/10.1145/3448300.3467820
Technical DescriptionThird Party Advisory
news.ycombinator.com / item
Third Party Advisory
cpomagazine.com / data-privacy/is-it-possible-to-make-iot-devices-private-amazon-echo-dot-does-not-wipe-personal-content-after-factory-reset
Third Party Advisory