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CVE-2015-4400

15
FAUCET Score

CVE-2015-4400 describes a vulnerability in Ring (formerly DoorBot) video doorbells, allowing remote attackers to extract sensitive wireless network configuration details. This medium-severity flaw (CVSS 4.6) requires physical proximity to press the setup button, after which an API in the GainSpan Wi-Fi module can be leveraged to compromise confidentiality. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:ring:ring_firmware:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.6MEDIUM

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
0.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.64%
Probability of exploitation in next 30 days
EPSS Percentile
46.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0064 is in the 85th percentile among its peer group of 1,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 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

blog.fortinet.com / 2016/01/22/cve-2015-4400-backdoorbot-network-configuration-leak-on-a-connected-doorbell
Broken Link
fortiguard.com / zeroday/FG-VD-15-021
Third Party Advisory
pentestpartners.com / security-blog/steal-your-wi-fi-key-from-your-doorbell-iot-wtf
Third Party Advisory