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MEDIUM

CVE-2026-3867

CVE-2026-3867 Vulnerability Analysis & Exploit Intelligence

An improper ownership management vulnerability has been identified in Moxa’s Secure Router. Because of improper ownership management, a low-privileged authenticated user may access a configuration file containing the hashed password of the administrative account. Successful exploitation of this vulnerability could allow an attacker to obtain sensitive information. Exploitation is only possible under a specific condition — when the configuration file has been exported. This vulnerability does not impact the integrity or availability of the affected product, and no confidentiality, integrity, or availability impact to the subsequent system has been identified.

Published Updated Sources: cvelistV5, Moxa

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.

Exploitation

Unreported

no source claims exploitation

EPSS

0%

chance of exploitation in 30 days

Affects

moxa

2 products listed

CVSS base

6

MEDIUM

CISA SSVC assessment

Three decision points CISA publishes for the CVEs it assesses · SSVC 2.0.3. A stakeholder decision, not a severity score.

CISA

Exploitation

None

none · proof-of-concept · active

Automatable

No

can an attacker script all four kill-chain steps

Technical impact

Partial

partial · total control of the vulnerable component

Affected scope

The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.

Vendors (1)

moxa

Products (2)

edr 8010 seriesedr g9010 series

Every base score collected

Sources score independently and disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactSource
6CVSS 4.0MEDIUM——cvelistV5

Weakness & attack patterns

  • CWE-282

Attack patterns reported against this CVE. The ATT&CK techniques below are inferred from its weakness class.

  • T1574.005Hijack Execution Flow: Executable Installer File Permissions Weakness
  • T1574.010Hijack Execution Flow: Services File Permissions Weakness
  • T1027.006Obfuscated Files or Information: HTML Smuggling

References

1 on the record

Elsewhere on this site

  • moxaevery CVE for this vendor
  • CWE-282other pages naming this weakness

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

  • No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
  • No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
  • No exploit packet captures, log samples, or incident case IDs supplied.