CVE-2026-86443

Account impersonation via cleartext credential storage

Published Sep 16, 2026 · Updated Sep 16, 2026

Cleartext credential storage in FERMAX DuoxMe before 4.3.4 allows local users to retrieve credentials from an Android device. The application stores account credentials without encryption; the precise file and storage API have not been publicly disclosed. Successful retrieval permits account impersonation, but requires local device access and does not establish remote exposure.

CVSS severityUnavailable
Unscored
EPSS probability0.10%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cleartext credential storage in FERMAX DuoxMe before 4.3.4 allows local users to retrieve credentials from an Android device. The application stores account credentials without encryption; the precise file and storage API have not been publicly disclosed. Successful retrieval permits account impersonation, but requires local device access and does not establish remote exposure.

The record

CVE
CVE-2026-86443
Published
Sep 16, 2026
Updated
Sep 16, 2026
Vendor
FERMAX
Product
DuoxMe
Classifications
CWE-312, CAPEC-37, T1409
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 16, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <4.3.4

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

FERMAX · DuoxMeversion=0 <4.3.4

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-312Cleartext Storage of Sensitive Information
CAPEC-37Retrieve Embedded Sensitive Data
T1409Stored Application Data

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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