Overview
A new vulnerability, identified as CVE-2025-55976, has been discovered in Intelbras IWR 3000N 1.9.8 which exposes the Wi-Fi password in plaintext via an API endpoint. This vulnerability poses a considerable threat to the confidentiality and integrity of the affected systems. Any unauthenticated user on the local network can exploit this vulnerability, potentially leading to system compromise or data leakage. Depending on the nature of the data being transmitted over the network, the implications could be severe, ranging from violation of privacy to potential financial loss.
Vulnerability Summary
CVE ID: CVE-2025-55976
Severity: Critical (CVSS Score 8.4)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
Intelbras IWR 3000N | 1.9.8
How the Exploit Works
The exploit involves querying the `/api/wireless` endpoint of the Intelbras IWR 3000N 1.9.8, which exposes the Wi-Fi password in plaintext. This can be done by any unauthenticated user on the local network. Once the attacker has the Wi-Fi password, they can gain unauthorized access to the network and potentially compromise systems or leak data.
Conceptual Example Code
Below is a conceptual example of how the vulnerability might be exploited using a simple HTTP GET request:
GET /api/wireless HTTP/1.1
Host: target.IntelbrasIWR3000NThis request, when sent from an unauthenticated user within the local network, will return the Wi-Fi password in plaintext, thereby granting unauthorized access to the Wi-Fi network.
Mitigation Guidance
To mitigate this vulnerability, it is recommended to apply the vendor patch as soon as it is available. In the meantime, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation measure by monitoring and potentially blocking suspicious activity. In addition, changing the Wi-Fi password regularly and limiting the access to the local network can further reduce the risk of exploitation.
