CVE-2026-3867

Description

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.

EPSS — Exploit Prediction

0.0004

Probability of exploitation

0.13%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-282 CWE-282

References

Other 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

Frequently Asked Questions

What is 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.

How do I check if I'm vulnerable to CVE-2026-3867? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-27254 8.0

CWE-282 "Improper Ownership Management" in GE Vernova EnerVista UR Setup allows Authentication Bypass. The software's startup authentication can be disabled …

CVE-2024-37999 7.8

A vulnerability has been identified in Medicalis Workflow Orchestrator (All versions). The affected application executes as a trusted account with …

CVE-2024-39755 7.8

A privilege escalation vulnerability exists in the node update functionality of Veertu Anka Build 1.42.0. A specially crafted PKG file …

CVE-2025-57732 7.5

In JetBrains TeamCity before 2025.07.1 privilege escalation was possible due to incorrect directory ownership

CVE-2024-3383 7.4

A vulnerability in how Palo Alto Networks PAN-OS software processes data received from Cloud Identity Engine (CIE) agents enables modification …

CVE-2024-47816 6.4

ImportDump is a mediawiki extension designed to automate user import requests. A user's local actor ID is stored in the …