Cudy TR3000 before 2.5.42 contains a remote code execution vulnerability that allows authenticated administrators to run root commands by importing a malicious OpenVPN client configuration. Attackers can include tls-verify or ipchange directives, which the incomplete denylist does not filter, to execute commands as root when the router connects to an attacker-controlled VPN endpoint.

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.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Shenzhen Cudy Technology Co., Ltd. TR3000 1.0 unaffected
Version Status Constraints
0 affected < 2.5.42
2.5.42 unaffected —

No data.

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Project Subscriptions

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-root-rce-via-openvpn-configuration-import 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 remote code execution vulnerability that allows authenticated administrators to run root commands by importing a malicious OpenVPN client configuration. Attackers can include tls-verify or ipchange directives, which the incomplete denylist does not filter, to execute commands as root when the router connects to an attacker-controlled VPN endpoint.
Title Cudy TR3000 before 2.5.42 Root RCE via OpenVPN Configuration Import
Weaknesses CWE-184
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: 2026-11-13T15:38:32.150Z

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

Link: CVE-2026-129099

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses