CVE-2018-20161: A design flaw in the BlinkForHome (aka Blink For Home) Sync Module 2.10.4 and earlier allows attackers to disa

Q: How do I fix CVE-2018-20161?

sync module: upgrade to newer than 2.10.4. Exact commands for each OS are on this page.

Q: Is CVE-2018-20161 being exploited?

CVE-2018-20161 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-20161 affect?

CVE-2018-20161 affects sync module. Severity is medium (CVSS 6.5). A design flaw in the BlinkForHome (aka Blink For Home) Sync Module 2.10.4 and earlier allows attackers to disable cameras via Wi-Fi, because incident clips (triggered by the motion sensor) are not saved if the attacker's traffic (such as Do

Q: How urgent is CVE-2018-20161?

Priority 41/100. Public exploit reference

This month

MEDIUM 6.5UPGRADE

CVE-2018-20161 is a medium-severity flaw (CVSS 6.5) affecting sync module. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A design flaw in the BlinkForHome (aka Blink For Home) Sync Module 2.10.4 and earlier allows attackers to disable cameras via Wi-Fi, because incident clips (triggered by the motion sensor) are not saved if the attacker's traffic (such as Dot11Deauth) successfully disconnects the Sync Module from the Wi-Fi network. (Access to live video from the app also becomes unavailable.)

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Published	2018-12-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: blinkforhome

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-12-15 06:29 UTCPublished CVE record published
2026-06-17 01:52 UTCUpdated Record last modified

blinkforhome sync module UPGRADE

Affected: <= 2.10.4

Fixed in: newer than 2.10.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy sync-module || rpm -q sync-module || sync-module --version

2. UPGRADE to newer than 2.10.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade sync-module

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sync-module

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-20161?

sync module: upgrade to newer than 2.10.4. Exact commands for each OS are on this page.

Is CVE-2018-20161 being exploited?

CVE-2018-20161 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-20161 affect?

CVE-2018-20161 affects sync module. Severity is medium (CVSS 6.5). A design flaw in the BlinkForHome (aka Blink For Home) Sync Module 2.10.4 and earlier allows attackers to disable cameras via Wi-Fi, because incident clips (triggered by the motion sensor) are not saved if the attacker's traffic (such as Do

How urgent is CVE-2018-20161?

Priority 41/100. Public exploit reference

Software pages

Wi-Fi vulnerabilities

References

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