Overview
The Quantenna Wi-Fi chipset is exposed to a major security flaw known as CVE-2025-32456, a command injection vulnerability. This issue is of significant concern as it has the potential to compromise systems and leak sensitive data. It is a critical issue that needs immediate attention due to its high severity score of 7.7 on the CVSS, which quantifies the potential risks and the level of seriousness of this vulnerability.
Vulnerability Summary
CVE ID: CVE-2025-32456
Severity: High (7.7 CVSS Score)
Attack Vector: Local
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
Quantenna Wi-Fi Chipset | Up to version 8.0.0.28
How the Exploit Works
The exploit targets a local control script, router_command.sh, in the ‘put_file_to_qtn’ argument. Due to improper neutralization of argument delimiters in a command (CWE-88), an attacker can inject commands that the system processes. This command injection vulnerability allows an attacker to execute arbitrary commands on the target system, potentially compromising the system or leaking data.
Conceptual Example Code
The following conceptual example demonstrates how the vulnerability might be exploited. The attacker injects a malicious command into the ‘put_file_to_qtn’ argument of the ‘router_command.sh’ script.
./router_command.sh put_file_to_qtn "/tmp; cat /etc/passwd > /tmp/passwd_copy"In this example, the attacker tricks the system into executing a command that copies the contents of the ‘/etc/passwd’ file to a ‘/tmp/passwd_copy’, potentially leaking sensitive data.
Mitigation Measures
To mitigate this vulnerability, users should apply the vendor’s patch as soon as it becomes available. In the meantime, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can help protect against potential exploits. Implementors of this chipset are also advised to follow the best practices guide released by the vendor.