Cudy TR3000 before 2.5.42 contains a mass assignment vulnerability in the vpn.set_conf App RPC method that allows authenticated administrators to inject arbitrary OpenVPN server options. Attackers can set enabled=1 and a malicious up option in the openvpns object, which the openvpn-hotplug wrapper executes via /bin/sh as root.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://d1jvyy13vm72kv.cloudfront.net/device/upgrade/m_upgrade_TR3000_256MB_Flash-R103-2.5.42-20261103-160202-sysupgrade_82672.zip cve-icon
https://www.cudy.com/en-us/pages/download-center/tr3000-1-0 cve-icon
https://www.vulncheck.com/advisories/cudy-tr3000-before-2.5.42-authenticated-rce-via-vpn-set-conf-mass-assignment cve-icon
History

Fri, 13 Nov 2026 15:45:00 +0000

Type Values Removed Values Added
Description Cudy TR3000 before 2.5.42 contains a mass assignment vulnerability in the vpn.set_conf App RPC method that allows authenticated administrators to inject arbitrary OpenVPN server options. Attackers can set enabled=1 and a malicious up option in the openvpns object, which the openvpn-hotplug wrapper executes via /bin/sh as root.
Title Cudy TR3000 before 2.5.42 Authenticated RCE via vpn.set_conf Mass Assignment
Weaknesses CWE-915
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-13T15:38:30.889Z

Reserved: 2026-11-13T15:31:00.206Z

Link: CVE-2026-129101

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses