Cudy TR3000 up to 2.5.41 openvpn-hotplug vpn.set_conf enabled/up dynamically-determined object attributes

Summaryinfo

A vulnerability identified as very critical has been detected in Cudy TR3000 up to 2.5.41. Impacted is the function vpn.set_conf of the component openvpn-hotplug. Performing a manipulation of the argument enabled/up results in dynamically-determined object attributes. This vulnerability is known as CVE-2026-129101. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Cudy TR3000 up to 2.5.41. It has been classified as very critical. This affects the function vpn.set_conf of the component openvpn-hotplug. The manipulation of the argument enabled/up with an unknown input leads to a dynamically-determined object attributes vulnerability. CWE is classifying the issue as CWE-915. The product receives input from an upstream component that specifies multiple attributes, properties, or fields that are to be initialized or updated in an object, but it does not properly control which attributes can be modified. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at cudy.com. This vulnerability is uniquely identified as CVE-2026-129101 since 11/13/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. The exploitation requires an enhanced level of successful authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/13/2026).

Upgrading to version 2.5.42 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Cudy

Name

• TR3000

Version

• 2.5.0
• 2.5.1
• 2.5.2
• 2.5.3
• 2.5.4
• 2.5.5
• 2.5.6
• 2.5.7
• 2.5.8
• 2.5.9
• 2.5.10
• 2.5.11
• 2.5.12
• 2.5.13
• 2.5.14
• 2.5.15
• 2.5.16
• 2.5.17
• 2.5.18
• 2.5.19
• 2.5.20
• 2.5.21
• 2.5.22
• 2.5.23
• 2.5.24
• 2.5.25
• 2.5.26
• 2.5.27
• 2.5.28
• 2.5.29
• 2.5.30
• 2.5.31
• 2.5.32
• 2.5.33
• 2.5.34
• 2.5.35
• 2.5.36
• 2.5.37
• 2.5.38
• 2.5.39
• 2.5.40
• 2.5.41

CPE 2.3info

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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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