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CVE-2019-3986

26
FAUCET Score

CVE-2019-3986 describes a critical vulnerability in Blink XT2 Sync Module firmware versions prior to 2.13.11, allowing remote attackers to execute arbitrary commands. This is due to improper input sanitization when configuring the device's Wi-Fi. With a CVSS score of 8.8 (High), an unauthenticated attacker on the local network can achieve full compromise, including confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion for this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.13.11CPE matchmatch criteria
cpe:2.3:o:amazon:blink_xt2_sync_module_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.21%
Probability of exploitation in next 30 days
EPSS Percentile
65.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0121 is in the 80th percentile among its peer group of 1,859 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 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

Vendor Patches (5)

boschvendor investigatingvia llm_extracted
maxkbvendor investigatingvia llm_extracted
naturalintelligencevendor investigatingvia llm_extracted
netgearvendor investigatingvia llm_extracted
opnsensevendor investigatingvia llm_extracted

Vendor Advisories (5)

netgearllm-netgear-091c620c2fafd0cfHIGH

Blink XT2 Sync Module Multiple Vulnerabilities

Dec 5, 2019
maxkbllm-maxkb-02e1cbfa2a469343HIGH

Blink XT2 Sync Module Multiple Vulnerabilities

Dec 5, 2019
boschllm-bosch-3f2ed4d8a9b46a21HIGH

Blink XT2 Sync Module Multiple Vulnerabilities

Dec 5, 2019
opnsensellm-opnsense-03b3ee0ec93969c2HIGH

Blink XT2 Sync Module Multiple Vulnerabilities

Dec 5, 2019
naturalintelligencellm-naturalintelligence-47088df23f20a54fHIGH

Blink XT2 Sync Module Multiple Vulnerabilities

Dec 5, 2019

References

tenable.com / security/research/tra-2019-51
ExploitThird Party Advisory