Is there a public exploit for CVE-2026-3867?

No public exploit for CVE-2026-3867 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-3867?

CVE-2026-3867 scores CVSS 6 (v4.0), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.24%.

What does CVE-2026-3867 affect?

CVE-2026-3867 affects Moxa EDR-8010 Series, EDR-G9010 Series.

6.0 Medium

An improper ownership management vulnerability has been identified in Moxa’s Secure Router.

CVE-2026-3867

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.

Assessment

CVSS: 6 (v4.0)
Severity: Medium
EPSS: 0.24% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 27 April 2026
Last updated: 2 November 2026
Affected: Moxa · EDR-8010 Series · EDR-G9010 Series
Assigner: Moxa

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

https://www.moxa.com/en/support/product-support/security-advisory/mpsa-261521-cve-2026-3867-cve-2026-3868-improper-ownership-management-and-improper-handling-of-length-parameter-incons

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