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CVE-2019-3998

17
FAUCET Score

CVE-2019-3998 describes an authentication bypass vulnerability in SimpliSafe SS3 firmware version 1.4, allowing a local, unauthenticated attacker to alter the base station's Wi-Fi network. This medium-severity vulnerability (CVSS 5.5) has a low attack complexity and requires local access, with the primary impact being high integrity compromise of the Wi-Fi configuration. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.4CPE matchmatch criteria
cpe:2.3:o:simplisafe:simplisafe_ss3_firmware:1.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
28.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 85th percentile among its peer group of 15,938 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (6)

boschvendor investigatingvia llm_extracted
maxkbvendor investigatingvia llm_extracted
nxpvendor investigatingvia llm_extracted
openfirevendor investigatingvia llm_extracted
openstackvendor investigatingvia llm_extracted
opnsensevendor investigatingvia llm_extracted

Vendor Advisories (6)

maxkbllm-maxkb-364fd1a048605f45LOW

SimpliSafe SS3 Unauthenticated Wi-Fi Config Modification

Feb 13, 2020
openstackllm-openstack-c66ecc0cf9d14a44LOW

SimpliSafe SS3 Unauthenticated Wi-Fi Config Modification

Feb 13, 2020
nxpllm-nxp-d851bfdb15787672LOW

SimpliSafe SS3 Unauthenticated Wi-Fi Config Modification

Feb 13, 2020
boschllm-bosch-75b18e57abf17f5cLOW

SimpliSafe SS3 Unauthenticated Wi-Fi Config Modification

Feb 13, 2020
opnsensellm-opnsense-b9b258c6137dc6e4LOW

SimpliSafe SS3 Unauthenticated Wi-Fi Config Modification

Feb 13, 2020
openfirellm-openfire-c95af6d945368d86LOW

SimpliSafe SS3 Unauthenticated Wi-Fi Config Modification

Feb 13, 2020

References

tenable.com / security/research/tra-2020-09
ExploitThird Party Advisory