CVE-2018-6875 — Format String vulnerability in KeepKey version 4.0.0 allows attackers to trigger information display (of information that should not be accessible), related to text containing characters that the device's font lacks

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HIGH

Format String vulnerability in KeepKey version 4.0.0 allows attackers to trigger information display (of information that should not be accessible), related to text containing characters that the device's font lacks

Published Mar 14, 2018

7.5

HIGH

CVSS 3.0

EPSS 1.09%

Description

Format String vulnerability in KeepKey version 4.0.0 allows attackers to trigger information display (of information that should not be accessible), related to text containing characters that the device's font lacks.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.09% 0.01090

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01090

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.09% (0.01090)	64.13th	v5 (v2026.06.15)
Sep 20, 2026	1.09% (0.01090)	63.89th	v5 (v2026.06.15)
Jul 20, 2024	0.17% (0.00168)	54.13th	v3 (v2023.03.01)
Jul 10, 2024	0.17% (0.00168)	54.04th	v3 (v2023.03.01)
Mar 7, 2023	0.17% (0.00168)	51.99th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.42% (0.00416)	10.04th	v5 (v2026.06.15)
Apr 14, 2021	0.42% (0.00416)	0.00th	v1

Weaknesses (1)

CWE-134

References (1)

https://www.keepkey.com/2018/03/09/security-updates-responsible-disclosure/
x_refsource_CONFIRMVendor Advisory

Link	Providers	Tags
https://www.keepkey.com/2018/03/09/security-updates-responsible-disclosure/		x_refsource_CONFIRMVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Mar 14, 2018

Updated Aug 5, 2024

Reserved Feb 9, 2018

Link CVE-2018-6875

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2018-6875

Red Hat

Severity n/a

Public date n/a

Links CVE-2018-6875