Cudy TR3000 up to 2.5.41 Configuration Export luci.sys.exec action_wireguards_export private_key command injection

Summaryinfo

A vulnerability categorized as very critical has been discovered in Cudy TR3000 up to 2.5.41. This affects the function action_wireguards_export of the file luci.sys.exec of the component Configuration Export. Executing a manipulation of the argument private_key can lead to command injection. This vulnerability is handled as CVE-2026-75487. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical was found in Cudy TR3000 up to 2.5.41. This vulnerability affects the function action_wireguards_export of the file luci.sys.exec of the component Configuration Export. The manipulation of the argument private_key with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Cudy TR3000 before 2.5.42 contains a command injection vulnerability that allows authenticated administrators to execute commands as root via the WireGuard server private_key option. Attackers can save a private key containing $() command substitution, which runs when action_wireguards_export() passes it to luci.sys.exec during configuration export.

The advisory is available at cudy.com. This vulnerability was named CVE-2026-75487 since 08/17/2026. The exploitation appears to be easy. The attack can be initiated remotely. The exploitation needs additional levels of successful authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/13/2026). This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

Upgrading to version 2.5.42 eliminates this vulnerability.

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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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Entryinfo

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