Tenda RX2 16.03.30.14 UDP Packet ate improper authorization

Summaryinfo

A vulnerability was found in Tenda RX2 16.03.30.14. It has been declared as critical. Affected is an unknown function of the file ate of the component UDP Packet Handler. The manipulation results in improper authorization. This vulnerability is reported as CVE-2025-46628. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as very critical has been found in Tenda RX2 16.03.30.14. Affected is some unknown processing of the file ate of the component UDP Packet Handler. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Lack of input validation/sanitization in the 'ate' management service in the Tenda RX2 Pro 16.03.30.14 allows an unauthorized remote attacker to gain root shell access to the device by sending a crafted UDP packet to the 'ate' service when it is enabled. Authentication is not needed.

This vulnerability is traded as CVE-2025-46628 since 04/26/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/27/2025). The MITRE ATT&CK project declares the attack technique as T1548.002.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-13234). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Router Operating System

Vendor

• Tenda

Name

• RX2

Version

• 16.03.30.14

License

• commercial

Website

• Vendor: https://www.tenda.com.cn/

CPE 2.3info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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