Overview
This blog post provides an in-depth analysis of the CVE-2025-46633 vulnerability, a significant cybersecurity threat affecting the Tenda RX2 Pro 16.03.30.14 web management portal. This vulnerability involves the cleartext transmission of sensitive information, specifically the symmetric AES key that is essential for decrypting traffic between the client and server. This issue poses a serious risk to all users of the Tenda RX2 Pro system because an attacker could potentially decrypt traffic and gain unauthorized access to sensitive data.
Vulnerability Summary
CVE ID: CVE-2025-46633
Severity: High (CVSS score 8.2)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise and sensitive data leakage
Affected Products
No phone number, email, or personal info required.
Product | Affected Versions
Tenda RX2 Pro | 16.03.30.14
How the Exploit Works
The exploit leverages the cleartext transmission of the symmetric AES key during successful authentication. The IV, which is always “EU5H62G9ICGRNI43”, can be captured from the collected and/or observed traffic. This allows an attacker to decrypt the traffic between the client and server, potentially leading to system compromise and data leakage.
Conceptual Example Code
The vulnerability could potentially be exploited through a simple network sniffing attack. Below is a simplified representation of how an attacker might capture the cleartext AES key in transit:
# Listen on the network interface for packets involving the targeted IP
tcpdump -i eth0 'host targetIP' -w capture.pcap
# Use a tool like Wireshark to analyze the capture
wireshark capture.pcap
# Look for packets containing the AES key in cleartext following successful authenticationPlease note that this is a conceptual example and does not represent a real-world exploit.
Mitigation and Recommendations
The most direct mitigation for this vulnerability is to apply the vendor patch once it becomes available. However, as a temporary measure, you can also use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to monitor and block suspicious traffic. Regular patching and updating of systems as well as monitoring network traffic for anomalies are also recommended best practices.
In conclusion, the CVE-2025-46633 vulnerability represents a significant security threat to users of the affected product. It is highly recommended to apply the appropriate mitigations as soon as possible to protect your systems and data.